Before 1208 [her father] Simon Dammartin (age 28) and [her mother] Marie Montgomery Countess Ponthieu 1199-1250 (age 8) were married. She the daughter of William Montgomery IV Count Ponthieu 1179-1221 (age 28) and Alys Capet Countess Ponthieu 1160-1220 (age 47).
On 31 Aug 1217 [her future mother-in-law] Berengaria Ivrea I Queen Castile 1179-1246 (age 38) Abdicated I King Castile. On 31 Aug 1217 Her son [her future husband] Ferdinand III King Castile III King Leon (age 18) succeeded III King Castile.
On 30 Nov 1219 [her future husband] Ferdinand III King Castile III King Leon (age 20) and Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon 1205-1235 (age 14) were married in Burgos. She by marriage Queen Consort Castile, Queen Consort Leon. She the daughter of Philip King Germany 1177-1208. He the son of Alfonso IX King Leon 1171-1230 (age 48) and Berengaria Ivrea I Queen Castile 1179-1246 (age 40). They were fourth cousins. He a great grandson of King Henry "Curtmantle" II of England. 
Around 1220 Joan Dammartin Queen Consort Castile and Leon was born to Simon Dammartin (age 40) and Marie Montgomery Countess Ponthieu 1199-1250 (age 20).
On 04 Oct 1221 [her grandfather] William Montgomery IV Count Ponthieu 1179-1221 (age 42) died. His daughter [her mother] Marie Montgomery Countess Ponthieu 1199-1250 (age 22) succeeded Countess Ponthieu.
On 24 Sep 1230 Alfonso IX King Leon 1171-1230 (age 59) died. His son [her future husband] Ferdinand III King Castile III King Leon (age 31) succeeded III King Leon.
In Oct 1237 Ferdinand III King Castile III King Leon (age 38) and Joan Dammartin Queen Consort Castile and Leon (age 17) were married in Burgos. She by marriage Queen Consort Castile, Queen Consort Leon. The difference in their ages was 21 years. She the daughter of Simon Dammartin (age 57) and Marie Montgomery Countess Ponthieu 1199-1250 (age 38). He the son of Alfonso IX King Leon 1171-1230 and Berengaria Ivrea I Queen Castile 1179-1246 (age 58). They were second cousin once removed. He a great grandson of King Henry "Curtmantle" II of England.
In 1239 [her son] Ferdinand Ivrea was born to [her husband] Ferdinand III King Castile III King Leon (age 40) and Joan Dammartin Queen Consort Castile and Leon (age 19). He a great x 2 grandson of King Henry "Curtmantle" II of England.
On 21 Sep 1239 [her father] Simon Dammartin (age 59) died.
In 1241 [her daughter] Eleanor of Castile Queen Consort England was born to [her husband] Ferdinand III King Castile III King Leon (age 42) and Joan Dammartin Queen Consort Castile and Leon (age 21) at Burgos. She a great x 2 granddaughter of King Henry "Curtmantle" II of England.
In 1243 [her son] Louis Ivrea was born to [her husband] Ferdinand III King Castile III King Leon (age 44) and Joan Dammartin Queen Consort Castile and Leon (age 23). He a great x 2 grandson of King Henry "Curtmantle" II of England.
In 1243 [her step-son] Ferdinand Ivrea (age 18) died.
In 1244 [her son] Simon Ivrea was born to [her husband] Ferdinand III King Castile III King Leon (age 45) and Joan Dammartin Queen Consort Castile and Leon (age 24). He a great x 2 grandson of King Henry "Curtmantle" II of England.
In 1245 [her son] John Ivrea was born to [her husband] Ferdinand III King Castile III King Leon (age 46) and Joan Dammartin Queen Consort Castile and Leon (age 25). He a great x 2 grandson of King Henry "Curtmantle" II of England.
In 1248 [her sister-in-law] Dulce Ivrea (age 55) died.
In 1249 [her step-son] Alfonso X King Castile X King Leon (age 27) and Violante Barcelona Queen Consort Castile Queen Consort Leon were married. She the daughter of James I King Aragon (age 40) and (age 34). He the son of Ferdinand III King Castile III King Leon (age 50) and Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon 1205-1235. They were half third cousins. He a great x 2 grandson of King Henry "Curtmantle" II of England. 
On 21 Sep 1250 Joan Dammartin Queen Consort Castile and Leon (age 30) succeeded Countess Ponthieu.
On 21 Sep 1250 [her mother] Marie Montgomery Countess Ponthieu 1199-1250 (age 51) died.
On 30 May 1252 [her husband] Ferdinand III King Castile III King Leon (age 53) died. His son [her step-son] Alfonso X King Castile X King Leon (age 30) succeeded X King Castile, X King Leon. Violante Barcelona Queen Consort Castile Queen Consort Leon by marriage Queen Consort Castile, Queen Consort Leon.
On 01 Nov 1254 [her son-in-law] King Edward "Longshanks" I of England (age 15) and [her daughter] Eleanor of Castile Queen Consort England (age 13) were married at Abbey of Santa Maria la Real de Huelgas. She the daughter of Ferdinand III King Castile III King Leon and (age 34). He the son of King Henry III of England (age 47) and Eleanor of Provence Queen Consort England (age 31). They were second cousin once removed. She a great x 2 granddaughter of King Henry "Curtmantle" II of England. 
In 1260 [her son] Ferdinand Ivrea (age 21) died.
In 1260 [her former step-son] Manuel Ivrea (age 26) and Constance Barcelona were married. She the daughter of James "The Just" II King Aragon and Blanche Capet Queen Consort Aragon. He the son of Ferdinand III King Castile III King Leon and Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon 1205-1235. They were second cousin twice removed. He a great x 2 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
In 1261 [her former step-son] Sancho Ivrea Archbishop Toledo (age 28) died.
In 1269 [her son] Louis Ivrea (age 26) died.
In 1274 [her former step-son] Manuel Ivrea (age 40) and Beatrice Savoy (age 24) were married. She the daughter of Amedeo Savoy IV Count Savoy and (age 44). He the son of Ferdinand III King Castile III King Leon and Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon 1205-1235. They were third cousin once removed. He a great x 2 grandson of King Henry "Curtmantle" II of England. 
In 1274 [her former step-son] Philip Ivrea (age 43) died.
After Jul 1275 [her former sister-in-law] Maria Ivrea died.
On 16 Mar 1279 Joan Dammartin Queen Consort Castile and Leon (age 59) died.
Maternal Family Tree: Etienette Countess Provence and Arles
Kings Wessex: Great x 10 Grand Daughter of King Alfred "The Great" of Wessex
Kings Franks: Great Grand Daughter of Louis VII King Franks
Kings France: Great x 2 Grand Daughter of Louis "Fat" VI King France
Agnes La Marck Queen Consort Navarre x 1
Eleanor of Castile Queen Consort England x 1
King Edward III of England x 1
Joan of the Tower Queen Consort Scotland x 1
Philippa Lancaster Queen Consort Portugal 1360-1415 x 1
Yolande of Bar Queen Consort Aragon 1365-1431 x 1
King Richard II of England x 1
Catherine of Lancaster Queen Consort Castile x 1
Edward "The Philosopher" I King Portugal 1391-1438 x 1
Philippa Lancaster Queen Consort Denmark 1394-1430 x 2
Maria Trastámara Queen Consort Aragon 1401-1458 x 1
Joan Beaufort Queen Consort Scotland x 1
Marie Valois Anjou Queen Consort France 1404-1463 x 1
King Henry VI of England and II of France x 2
Louis "Father of the People" XI King France x 1
Margaret Stewart Dauphine of France 1424-1445 x 1
Henry IV King Castile 1425-1474 x 1
Isabella Aviz Queen Consort Castile 1428-1496 x 1
Margaret of Anjou Queen Consort England x 1
Isabella Aviz Queen Consort Portugal 1432-1455 x 1
Alfonso "The African" V King Portugal x 1
Mary of Guelders Queen Consort Scotland 1434-1463 x 1
Eleanor Aviz Holy Roman Empress 1434-1467 x 1
Joan Aviz Queen Consort Castile 1439-1475 x 1
Charlotte Savoy Queen Consort France 1441-1483 x 1
King James III of Scotland x 2
King Richard III of England x 4
Anne Neville Queen Consort England x 5
King Henry VII of England and Ireland x 2
Maximilian Habsburg I Holy Roman Emperor x 1
Joanna "La Beltraneja" Trastámara Queen Consort Portugal 1462-1530 x 2
Joan Valois Queen Consort France 1464-1505 x 2
Elizabeth York Queen Consort England x 4
Francis I King Navarre 1467-1483 x 1
Catherine Grailly I Queen Navarre 1468-1517 x 1
Manuel "Fortunate" I King Portugal x 2
Isabella Trastámara Queen Consort Portugal 1470-1498 x 2
Bianca Maria Sforza Holy Roman Empress 1472-1510 x 1
Philip "Handsome Fair" King Castile x 4
Joanna "The Mad" Trastámara Queen Castile x 2
Maria Trastámara Queen Consort Portugal 1482-1517 x 2
Catherine of Aragon Queen Consort England x 2
Germaine Foix Queen Consort Aragon 1488-1538 x 1
Margaret Tudor Queen Scotland x 6
King Henry VIII of England and Ireland x 6
Marguerite Valois Orléans Queen Consort Navarre 1492-1549 x 2
Mary Tudor Queen Consort France x 6
Eleanor of Austria Queen Consort France Queen Consort Portugal 1498-1558 x 6
Claude Valois Orléans Queen Consort France 1499-1524 x 1
Charles V Holy Roman Emperor x 6
Queen Anne Boleyn of England x 4
Isabella of Austria Queen Consort Denmark and Norway 1501-1526 x 6
Ferdinand I Holy Roman Emperor x 6
King Henry II of Navarre 1503-1555 x 1
Anne Jagiellon Holy Roman Empress x 1
Catherine of Austria Queen Consort Portugal x 6
Catherine Parr Queen Consort England x 5
Anne of Cleves Queen Consort England x 2
Mary of Guise Queen Consort Scotland x 6
Queen Mary I of England and Ireland x 8
Antoine King Navarre 1518-1562 x 4
Queen Catherine Howard of England x 2
Philip "The Prudent" II King Spain x 10
Maximilian Habsburg Spain II Holy Roman Emperor x 7
Maria of Spain Holy Roman Empress x 10
Jeanne Albret III Queen Navarre 1528-1572 x 3
Queen Elizabeth I of England and Ireland x 10
Jane "Nine Days Queen" Grey I Queen England and Ireland x 12
King Edward VI of England and Ireland x 9
Louis VI Elector Palatine 1539-1583 x 1
Mary Queen of Scots x 14
Francis II King France King Consort Scotland x 3
Elizabeth Valois Queen Consort Spain x 3
Anna of Austria Queen Consort Spain x 17
Rudolf II Holy Roman Emperor 1552-1612 x 17
Louise Lorraine Queen Consort France 1553-1601 x 3
Margaret Valois Queen Consort France 1553-1615 x 3
Sebastian King Portugal 1554-1578 x 20
Elisabeth of Austria Queen Consort France 1554-1592 x 17
Matthias I Holy Roman Emperor x 17
King James I of England and Ireland and VI of Scotland x 23
Ferdinand King Asturias 1571-1578 x 27
Maximilian "The Great" Wittelsbach I Duke Bavaria I Elector Bavaria x 18
Frederick IV Elector Palatine 1574-1610 x 1
Maria Anna Wittelsbach Holy Roman Empress 1574-1616 x 18
Marie de Medici Queen Consort France x 7
Diego King Asturias 1575-1582 x 27
Ferdinand of Spain II Holy Roman Emperor 1578-1637 x 16
Margaret of Austria Queen Consort Spain 1584-1611 x 16
Anna of Austria Holy Roman Empress 1585-1618 x 14
Princess Elizabeth Stewart Queen Bohemia x 23
Frederick Palatinate Simmern V Elector Palatine Rhine x 1
King Charles I of England, Scotland and Ireland x 23
Anne of Austria Spain Queen Consort France x 43
Elisabeth Bourbon Queen Consort Spain 1602-1644 x 14
Philip IV King Spain x 43
Maria Anna of Spain Holy Roman Empress x 43
Ferdinand King Bohemia III Holy Roman Emperor x 34
Henrietta Maria Bourbon Queen Consort England x 14
Frederick William "Great Elector" Hohenzollern Elector Brandenburg x 1
Eleonora Gonzaga Queen Consort Bohemia 1630-1686 x 35
King Charles II of England Scotland and Ireland x 37
Maria Leopoldine Habsburg Spain Queen Consort Bohemia 1632-1649 x 16
Ferdinand King Bohemia IV King Romans 1633-1654 x 77
King James II of England Scotland and Ireland x 37
Mariana of Austria Queen Consort Spain x 77
Louis "Sun King" XIV King France x 57
Maria Theresa of Spain Queen Consort France x 57
Catherine of Braganza Queen Consort England x 4
Leopold Habsburg Spain I Holy Roman Emperor x 77
Marie Françoise Élisabeth of Savoy Queen Consort of Portugal 1646-1683 x 13
Charlotte Amalie Hesse-Kassel Queen Consort Denmark and Norway 1650-1714 x 1
King William III of England, Scotland and Ireland x 37
Charles Palatinate Simmern II Elector Palatine Rhine 1651-1685 x 24
Margaret Theresa Habsburg Holy Roman Empress x 120
King George I of Great Britain and Ireland x 24
Charles "Bewitched" II King Spain x 120
Marie Louise Bourbon Queen Consort Spain 1662-1689 x 94
Mary Stewart II Queen England Scotland and Ireland x 37
Maximilian Wittelsbach II Elector Bavaria 1662-1726 x 52
Queen Anne of England Scotland and Ireland x 37
Victor Amadeus King Sardinia x 48
Maria Anna Neuburg Queen Consort Spain 1667-1740 x 9
Sophia Charlotte Hanover Queen Consort Prussia 1668-1705 x 24
Anne Marie Bourbon Queen Consort Sardinia 1669-1728 x 94
Frederick IV King Denmark and Norway x 1
Frederick I King Sweden 1676-1751 x 2
Joseph I Holy Roman Emperor 1678-1711 x 86
Louis Bourbon Duke Burgundy 1682-1712 x 166
King George II of Great Britain and Ireland x 24
Philippe V King Spain x 166
Charles Habsburg Spain VI Holy Roman Emperor 1685-1740 x 86
Sophia Dorothea Hanover Queen Consort Prussia 1687-1757 x 24
Frederick William "Soldier King" I King Prussia 1688-1740 x 25
John V King Portugal 1689-1750 x 4
Christian VI King Denmark and Norway 1699-1746 x 1
Charles Emmanuel III King Sardinia x 142
Louis I King Spain 1707-1724 x 308
Francis I Holy Roman Emperor 1708-1765 x 12
Louise Élisabeth Bourbon Queen Consort Spain 1709-1742 x 138
Louis XV King France x 308
Elisabeth Therese Lorraine Queen Consort Sardinia 1711-1741 x 93
Barbara Queen Consort Spain 1711-1758 x 4
Frederick "The Great" I King Prussia 1712-1786 x 49
Ferdinand VI King Spain 1713-1759 x 308
Joseph I King Portugal 1714-1777 x 4
Charles III King Spain 1716-1788 x 166
Maria Theresa Habsburg Spain Holy Roman Empress 1717-1780 x 86
Frederick V King Denmark and Norway 1723-1766 x 1
Louise Hanover Queen Consort Denmark and Norway 1724-1751 x 24
Victor Amadeus III King Sardinia 1726-1796 x 142
President George Washington x 2
King George III of Great Britain and Ireland x 33
Frederick William II King Prussia 1744-1797 x 49
Queen Sophia of Sweden 1746-1813 x 25
Electress Wilhelmina Caroline Oldenburg x 25
Charles XIII King Sweden 1748-1818 x 49
Charles IV King Spain x 166
Christian VII King Denmark and Norway 1749-1808 x 25
Caroline Matilda Hanover Queen Consort Denmark and Norway 1751-1775 x 33
Louis XVI King France x 418
Louis XVIII King France 1755-1824 x 418
King Charles X of France 1757-1836 x 418
King George IV of Great Britain and Ireland x 33
King William IV of the United Kingdom x 33
Marie Sophie Hesse-Kassel Queen Consort Denmark and Norway 1767-1852 x 51
Frederick VI King Denmark and Norway 1768-1839 x 58
Francis Lorraine II Holy Roman Emperor 1768- x 98
Caroline of Brunswick Queen Consort England x 33
Frederick William II King Prussia 1770-1840 x 49
Ernest Augustus King Hanover x 33
King Louis Philippe I of France x 138
Ferdinand VII King Spain x 640
Louis XVII King France 1785-1795 x 516
King Christian I of Norway and VIII of Denmark x 19
Frederick William IV King Prussia 1795-1861 x 49
Caroline Amalie Oldenburg Queen Norway 1796-1881 x 58
William I King Prussia 1797-1888 x 49
Maria Christina of the Two Sicilies Queen Consort Spain 1806-1878 x 1014
Frederick VII King Denmark 1808-1863 x 46
Queen Louise Hesse-Kassel of Denmark 1817-1898 x 45
King Christian IX of Denmark 1818-1906 x 51
Queen Victoria of the United Kingdom x 51
George V King Hanover 1819-1878 x 33
Isabella II Queen Spain x 1654
Frederick III King Prussia x 49
Queen Sophia of Sweden and Norway 1836-1913 x 109
Victoria Empress Germany Queen Consort Prussia x 105
King Edward VII of the United Kingdom x 105
Frederick VIII King Denmark 1843-1912 x 96
Alexandra Glücksburg Queen Consort England x 96
George I King Greece 1845-1913 x 96
Alfonso XII King Spain x 2294
Gustav V King Sweden 1858-1950 x 109
Maria Christina of Austria Queen Consort Spain 1858-1929 x 264
Wilhelm Hohenzollern x 154
Maria de las Mercedes Unknown Queen Consort Spain 1860-1878 x 778
George V King United Kingdom x 201
Victoria Mary Teck Queen Consort England x 85
Frederick Charles I King Finland 1868-1940 x 45
Constantine I King Greece x 195
Maud Windsor Queen Consort Norway x 201
Christian X King Denmark 1870-1947 x 96
Alexandrine Mecklenburg-Schwerin Queen Consort Denmark 1879-1952 x 126
Gustaf Adolph VI King Sweden 1882-1973 x 109
Alfonso XIII King Spain 1886-1941 x 2558
Victoria Eugénie Mountbatten Queen Consort Spain 1887-1969 x 105
Louise Mountbatten Queen Consort Sweden x 105
George II King Hellenes x 349
Alexander I King Greece 1893-1920 x 349
King Edward VIII of the United Kingdom x 286
King George VI of the United Kingdom x 286
Paul I King Greece 1901-1964 x 349
Olav Glücksburg V King Norway 1903-1991 x 297
Ingrid Bernadotte Queen Consort Denmark 1910-2000 x 263
Philip Mountbatten Duke Edinburgh x 300
Queen Elizabeth II of the United Kingdom x 879
Sophia Glücksburg Queen Consort Spain 1938- x 690
Juan Carlos I King Spain 1938- x 2663
Constantine II King Hellenes 1940- x 690
Carl XVI King Sweden 1946- x 477
King Charles III x 1179
Diana Spencer Princess Wales 1961-1997 x 2038
GrandFather: Alberic Dammartin
Father: Simon Dammartin
GrandMother: Mathilde Clermont
Great x 4 Grandfather: Herbert Vermandois III Count Vermandois 953-1015
Great x 3 Grandfather: Otto Vermandois I Count Vermandois 979-1045
Great x 2 Grandfather: Herbert Vermandois IV Count Vermandois 1028-1080
Great x 1 Grandmother: Adelaide I Countess Vermandois -1120
Great x 4 Grandfather: Robert II Belleme 2nd Count Ponthieu 3rd Earl of Shrewsbury
Great x 3 Grandfather: William "Talvas" Montgomery III Count Ponthieu 1093-1172
Great x 4 Grandmother: Agnes Ponthieu Countess Ponthieu and Shrewsbury
Great x 2 Grandfather: Guy Montgomery II Count Ponthieu 1120-1147
Great x 4 Grandfather: Odo "Red" I Duke Burgundy 1058-1103
Great x 3 Grandmother: Helie Burgundy Countess Ponthieu 1080-1141
Great x 4 Grandmother: Sybilla Ivrea Duchess Burgundy 1065-1103
Great x 1 Grandfather: John Montgomery I Count Ponthieu 1140-1191
GrandFather: William Montgomery IV Count Ponthieu 1179-1221
Mother: Marie Montgomery Countess Ponthieu 1199-1250
Great x 4 Grandfather: King Henry I of France
Great x 3 Grandfather: Philip "Amorous" I King France
Great x 2 Grandfather: Louis "Fat" VI King France
Great x 4 Grandfather: Floris Gerulfing I Count Holland 1025-1061
Great x 3 Grandmother: Bertha Gerulfing Queen Consort France 1055-1094
Great x 4 Grandmother: Gertrude Billung Countess Holland 1030-1113
Great x 1 Grandfather: Louis VII King Franks
Great x 4 Grandfather: Amadeus Savoy II Count Savoy 1050-1080
Great x 3 Grandfather: Humbert "Fat" Savoy II Count Savoy 1065-1103
Great x 2 Grandmother: Adelaide Savoy Queen Consort France -1154
Great x 4 Grandfather: William Ivrea I Count Burgundy 1020-1087
Great x 3 Grandmother: Gisela Ivrea Countess Savoy 1070-1133
GrandMother: Alys Capet Countess Ponthieu 1160-1220
Great x 4 Grandfather: William Ivrea I Count Burgundy 1020-1087
Great x 3 Grandfather: Raymond Ivrea
Great x 2 Grandfather: Alfonso VII King Castile VII King Leon 1105-1157
Great x 4 Grandfather: Alfonso "Brave" VI King Leon VI King Castile
Great x 3 Grandmother: Urracca "Reckless" Jiménez Queen Consort Aragon and Pamplona
Great x 4 Grandmother: Constance Burgundy Queen Consort Castile and Leon 1046-1093
Great x 1 Grandmother: Constance of Castile
Great x 4 Grandfather: Ramon Berenguer "Towhead" Barcelona II Count Barcelona 1053-1082
Great x 3 Grandfather: Raymond Berenguer Barcelona III Count Barcelona 1082-1131
Great x 2 Grandmother: Berenguela Barcelona Queen Consort Castile and Leon 1116-1149
Great x 4 Grandfather: Gilbert Gevaudan
Great x 4 Grandmother: Gerberga Arles
