In or before 1224 [his father] Henry Reginar II Duke Brabant 1207-1248 (age 17) and [his mother] were married. He the son of Henry Reginar VIII Duke Lower Lorraine I Duke Brabant (age 58) and Maud Metz. He a great x 3 grandson of King William "Conqueror" I of England.
Around 1230 Henry Reginar III Duke Brabant was born to Henry Reginar II Duke Brabant 1207-1248 (age 23) and .
On 05 Sep 1235 [his grandfather] Henry Reginar VIII Duke Lower Lorraine I Duke Brabant (age 70) died. His son [his father] Henry Reginar II Duke Brabant 1207-1248 (age 28) succeeded II Duke Brabant. [his mother] by marriage Duchess Brabant.
On 01 Feb 1248 [his father] Henry Reginar II Duke Brabant 1207-1248 (age 41) died. His son Henry Reginar III Duke Brabant (age 18) succeeded III Duke Brabant. [his future wife] Adelaide Burgundy Duchess Brabant 1233-1273 (age 15) by marriage Duchess Brabant.
Around 1251 [his son] Henry Reginar IV Duke Brabant 1251-1272 was born to Henry Reginar III Duke Brabant (age 21) and [his wife] Adelaide Burgundy Duchess Brabant 1233-1273 (age 18).
In 1251 Henry Reginar III Duke Brabant (age 21) and Adelaide Burgundy Duchess Brabant 1233-1273 (age 18) were married. She the daughter of Hugh IV Duke Burgundy 1213-1272 (age 37) and Yolande Capet Duchess Burgundy 1212-1248. He the son of Henry Reginar II Duke Brabant 1207-1248 and . He a great x 4 grandson of King William "Conqueror" I of England. She a great x 5 granddaughter of King William "Conqueror" I of England.
In 1253 [his son] John Reginar I Duke Brabant 1253-1294 was born to Henry Reginar III Duke Brabant (age 23) and [his wife] Adelaide Burgundy Duchess Brabant 1233-1273 (age 20).
In 1256 [his daughter] Maria Reginar Queen Consort France 1256-1321 was born to Henry Reginar III Duke Brabant (age 26) and [his wife] Adelaide Burgundy Duchess Brabant 1233-1273 (age 23).
On 28 Feb 1261 Henry Reginar III Duke Brabant (age 31) died. His son [his son] Henry Reginar IV Duke Brabant 1251-1272 (age 10) succeeded IV Duke Brabant.
On 23 Oct 1273 [his former wife] Adelaide Burgundy Duchess Brabant 1233-1273 (age 40) died.
Odo Burgundy and Matilda Dampierre were married. He the son of Hugh IV Duke Burgundy 1213-1272 and Yolande Capet Duchess Burgundy 1212-1248. He a great x 5 grandson of King William "Conqueror" I of England. 
Guy IV Viscount of Limoges and Margaret Burgundy were married. She the daughter of Hugh IV Duke Burgundy 1213-1272 and Yolande Capet Duchess Burgundy 1212-1248. She a great x 5 granddaughter of King William "Conqueror" I of England.
[his son] Godfrey Reginar was born to Henry Reginar III Duke Brabant and Adelaide Burgundy Duchess Brabant 1233-1273.
Paternal Family Tree: Reginar aka Percy
Maternal Family Tree: Marie Swabia Duchess Brabant
Kings Wessex: Great x 6 Grand Son of King Edmund "Ironside" I of England
Kings England: Great x 4 Grand Son of King William "Conqueror" I of England
Kings Scotland: Great x 4 Grand Son of Malcolm III King Scotland
Kings Franks: Great x 11 Grand Son of Louis "Pious" King Aquitaine I King Franks
Kings France: Great x 6 Grand Son of Robert "Pious" II King France
Agnes La Marck Queen Consort Navarre x 2
Maria Reginar Queen Consort France 1256-1321 x 1
Margaret of France Queen Consort England 1279-1318 x 1
Philip "Noble" III King Navarre x 1
Joan Évreux Queen Consort France 1310-1371 x 1
Joan Auvergne Queen Consort France 1326-1360 x 1
Maria Évreux Queen Consort Aragon 1329-1347 x 1
Blanche Évreux Queen Consort France 1331-1398 x 1
Charles "Bad" II King Navarre x 1
Charles III King Navarre 1361-1425 x 1
King Richard II of England x 1
Joanna of Navarre Queen Consort England x 1
Blanche Évreux Queen Consort Aragon 1388-1441 x 1
Joan Beaufort Queen Consort Scotland x 1
Charles "Viana" IV King Navarre 1421-1461 x 1
Blanche Trastámara II Queen Navarre 1424-1464 x 1
Margaret Stewart Dauphine of France 1424-1445 x 1
Eleanor Trastámara Queen Consort Navarre 1426-1479 x 1
Mary of Guelders Queen Consort Scotland 1434-1463 x 2
Charlotte Savoy Queen Consort France 1441-1483 x 2
King James III of Scotland x 3
King Richard III of England x 1
Anne Neville Queen Consort England x 1
King Henry VII of England and Ireland x 1
Joan Valois Queen Consort France 1464-1505 x 2
Elizabeth York Queen Consort England x 1
Francis I King Navarre 1467-1483 x 1
Catherine Grailly I Queen Navarre 1468-1517 x 1
Bianca Maria Sforza Holy Roman Empress 1472-1510 x 2
Anne of Brittany Queen Consort France x 2
Philip "Handsome Fair" King Castile x 4
Germaine Foix Queen Consort Aragon 1488-1538 x 3
Margaret Tudor Queen Scotland x 2
King Henry VIII of England and Ireland x 2
Marguerite Valois Orléans Queen Consort Navarre 1492-1549 x 4
Mary Tudor Queen Consort France x 2
Eleanor of Austria Queen Consort France Queen Consort Portugal 1498-1558 x 4
Claude Valois Orléans Queen Consort France 1499-1524 x 4
Charles V Holy Roman Emperor x 4
Queen Anne Boleyn of England x 1
Isabella of Austria Queen Consort Denmark and Norway 1501-1526 x 4
Ferdinand I Holy Roman Emperor x 4
King Henry II of Navarre 1503-1555 x 1
Anne Jagiellon Holy Roman Empress x 1
Catherine of Austria Queen Consort Portugal x 4
Catherine Parr Queen Consort England x 1
Anne of Cleves Queen Consort England x 4
Mary of Guise Queen Consort Scotland x 6
Queen Mary I of England and Ireland x 2
Antoine King Navarre 1518-1562 x 4
Queen Catherine Howard of England x 1
Philip "The Prudent" II King Spain x 4
Maximilian Habsburg Spain II Holy Roman Emperor x 5
Maria of Spain Holy Roman Empress x 4
Jeanne Albret III Queen Navarre 1528-1572 x 5
Queen Elizabeth I of England and Ireland x 3
Jane "Nine Days Queen" Grey I Queen England and Ireland x 4
King Edward VI of England and Ireland x 2
Louis VI Elector Palatine 1539-1583 x 2
Mary Queen of Scots x 11
Francis II King France King Consort Scotland x 8
Elizabeth Valois Queen Consort Spain x 8
Anna of Austria Queen Consort Spain x 9
Rudolf II Holy Roman Emperor 1552-1612 x 9
Louise Lorraine Queen Consort France 1553-1601 x 4
Margaret Valois Queen Consort France 1553-1615 x 8
Sebastian King Portugal 1554-1578 x 8
Elisabeth of Austria Queen Consort France 1554-1592 x 9
Matthias I Holy Roman Emperor x 9
King James I of England and Ireland and VI of Scotland x 17
Ferdinand King Asturias 1571-1578 x 13
Maximilian "The Great" Wittelsbach I Duke Bavaria I Elector Bavaria x 15
Frederick IV Elector Palatine 1574-1610 x 2
Maria Anna Wittelsbach Holy Roman Empress 1574-1616 x 15
Marie de Medici Queen Consort France x 5
Diego King Asturias 1575-1582 x 13
Ferdinand of Spain II Holy Roman Emperor 1578-1637 x 12
Margaret of Austria Queen Consort Spain 1584-1611 x 12
Anna of Austria Holy Roman Empress 1585-1618 x 10
Princess Elizabeth Stewart Queen Bohemia x 17
Frederick Palatinate Simmern V Elector Palatine Rhine x 2
King Charles I of England, Scotland and Ireland x 17
Anne of Austria Spain Queen Consort France x 25
Elisabeth Bourbon Queen Consort Spain 1602-1644 x 14
Philip IV King Spain x 25
Maria Anna of Spain Holy Roman Empress x 25
Ferdinand King Bohemia III Holy Roman Emperor x 27
Henrietta Maria Bourbon Queen Consort England x 14
Frederick William "Great Elector" Hohenzollern Elector Brandenburg x 2
Eleonora Gonzaga Queen Consort Bohemia 1630-1686 x 32
King Charles II of England Scotland and Ireland x 31
Maria Leopoldine Habsburg Spain Queen Consort Bohemia 1632-1649 x 12
Ferdinand King Bohemia IV King Romans 1633-1654 x 52
King James II of England Scotland and Ireland x 31
Mariana of Austria Queen Consort Spain x 52
Louis "Sun King" XIV King France x 39
Maria Theresa of Spain Queen Consort France x 39
Leopold Habsburg Spain I Holy Roman Emperor x 52
Marie Françoise Élisabeth of Savoy Queen Consort of Portugal 1646-1683 x 22
Charlotte Amalie Hesse-Kassel Queen Consort Denmark and Norway 1650-1714 x 2
King William III of England, Scotland and Ireland x 31
Charles Palatinate Simmern II Elector Palatine Rhine 1651-1685 x 19
Margaret Theresa Habsburg Holy Roman Empress x 77
King George I of Great Britain and Ireland x 19
Charles "Bewitched" II King Spain x 77
Marie Louise Bourbon Queen Consort Spain 1662-1689 x 70
Mary Stewart II Queen England Scotland and Ireland x 31
Maximilian Wittelsbach II Elector Bavaria 1662-1726 x 42
Queen Anne of England Scotland and Ireland x 31
Victor Amadeus King Sardinia x 58
Maria Anna Neuburg Queen Consort Spain 1667-1740 x 9
Sophia Charlotte Hanover Queen Consort Prussia 1668-1705 x 19
Anne Marie Bourbon Queen Consort Sardinia 1669-1728 x 70
Frederick IV King Denmark and Norway x 2
Frederick I King Sweden 1676-1751 x 4
Joseph I Holy Roman Emperor 1678-1711 x 61
Louis Bourbon Duke Burgundy 1682-1712 x 120
King George II of Great Britain and Ireland x 19
Philippe V King Spain x 120
Charles Habsburg Spain VI Holy Roman Emperor 1685-1740 x 61
Sophia Dorothea Hanover Queen Consort Prussia 1687-1757 x 19
Frederick William "Soldier King" I King Prussia 1688-1740 x 21
Christian VI King Denmark and Norway 1699-1746 x 2
Charles Emmanuel III King Sardinia x 128
Louis I King Spain 1707-1724 x 248
Francis I Holy Roman Emperor 1708-1765 x 16
Louise Élisabeth Bourbon Queen Consort Spain 1709-1742 x 97
Louis XV King France x 248
Elisabeth Therese Lorraine Queen Consort Sardinia 1711-1741 x 74
Frederick "The Great" I King Prussia 1712-1786 x 40
Ferdinand VI King Spain 1713-1759 x 248
Charles III King Spain 1716-1788 x 120
Maria Theresa Habsburg Spain Holy Roman Empress 1717-1780 x 61
Frederick V King Denmark and Norway 1723-1766 x 2
Louise Hanover Queen Consort Denmark and Norway 1724-1751 x 19
Victor Amadeus III King Sardinia 1726-1796 x 128
King George III of Great Britain and Ireland x 28
Frederick William II King Prussia 1744-1797 x 40
Queen Sophia of Sweden 1746-1813 x 21
Electress Wilhelmina Caroline Oldenburg x 21
Charles XIII King Sweden 1748-1818 x 40
Charles IV King Spain x 120
Christian VII King Denmark and Norway 1749-1808 x 21
Caroline Matilda Hanover Queen Consort Denmark and Norway 1751-1775 x 28
Louis XVI King France x 328
Louis XVIII King France 1755-1824 x 328
King Charles X of France 1757-1836 x 328
King George IV of Great Britain and Ireland x 28
King William IV of the United Kingdom x 28
Marie Sophie Hesse-Kassel Queen Consort Denmark and Norway 1767-1852 x 44
Frederick VI King Denmark and Norway 1768-1839 x 49
Francis Lorraine II Holy Roman Emperor 1768- x 77
Caroline of Brunswick Queen Consort England x 28
Frederick William II King Prussia 1770-1840 x 40
Ernest Augustus King Hanover x 28
King Louis Philippe I of France x 97
Ferdinand VII King Spain x 488
Louis XVII King France 1785-1795 x 405
King Christian I of Norway and VIII of Denmark x 20
Frederick William IV King Prussia 1795-1861 x 40
Caroline Amalie Oldenburg Queen Norway 1796-1881 x 49
William I King Prussia 1797-1888 x 40
Maria Christina of the Two Sicilies Queen Consort Spain 1806-1878 x 765
Frederick VII King Denmark 1808-1863 x 47
Queen Louise Hesse-Kassel of Denmark 1817-1898 x 43
King Christian IX of Denmark 1818-1906 x 44
Queen Victoria of the United Kingdom x 46
George V King Hanover 1819-1878 x 28
Isabella II Queen Spain x 1253
Frederick III King Prussia x 40
Victoria Empress Germany Queen Consort Prussia x 100
King Edward VII of the United Kingdom x 100
Frederick VIII King Denmark 1843-1912 x 87
Alexandra Glücksburg Queen Consort England x 87
George I King Greece 1845-1913 x 87
Alfonso XII King Spain x 1741
Gustav V King Sweden 1858-1950 x 93
Maria Christina of Austria Queen Consort Spain 1858-1929 x 197
Wilhelm Hohenzollern x 140
Maria de las Mercedes Unknown Queen Consort Spain 1860-1878 x 585
George V King United Kingdom x 187
Victoria Mary Teck Queen Consort England x 74
Frederick Charles I King Finland 1868-1940 x 43
Constantine I King Greece x 169
Maud Windsor Queen Consort Norway x 187
Christian X King Denmark 1870-1947 x 87
Alexandrine Mecklenburg-Schwerin Queen Consort Denmark 1879-1952 x 109
Gustaf Adolph VI King Sweden 1882-1973 x 93
Alfonso XIII King Spain 1886-1941 x 1938
Victoria Eugénie Mountbatten Queen Consort Spain 1887-1969 x 100
Louise Mountbatten Queen Consort Sweden x 100
George II King Hellenes x 309
Alexander I King Greece 1893-1920 x 309
King Edward VIII of the United Kingdom x 261
King George VI of the United Kingdom x 261
Paul I King Greece 1901-1964 x 309
Olav Glücksburg V King Norway 1903-1991 x 274
Ingrid Bernadotte Queen Consort Denmark 1910-2000 x 233
Philip Mountbatten Duke Edinburgh x 269
Queen Elizabeth II of the United Kingdom x 390
Sophia Glücksburg Queen Consort Spain 1938- x 613
Juan Carlos I King Spain 1938- x 2038
Constantine II King Hellenes 1940- x 613
Carl XVI King Sweden 1946- x 426
King Charles III x 659
Great x 4 Grandfather: Henry Reginar II Count Louvain 1020-1071
Great x 3 Grandfather: Godfrey Reginar I Count Louvain
Great x 2 Grandfather: Godfrey Reginar VII Duke Lower Lorraine 1107-1142
Great x 1 Grandfather: Godfrey Reginar VIII Duke Lower Lorraine 1142-1190
GrandFather: Henry Reginar VIII Duke Lower Lorraine I Duke Brabant
Great x 4 Grandfather: Henry Luxemburg I Duke Lower Lorraine 1059-1119
Great x 3 Grandfather: Waleran "Pagan" Luxemburg Duke Lower Lorraine 1085-1139
Great x 2 Grandfather: Henry Luxemburg II Duke Limburg 1111-1167
Great x 1 Grandmother: Margaret Luxemburg Duchess Lower Lorraine 1138-1173
Father: Henry Reginar II Duke Brabant 1207-1248 3 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Gerard Metz I Duke Lorraine 1030-1070
Great x 3 Grandfather: Theodoric "Valiant" Metz II Duke Lorraine 1055-1115
Great x 2 Grandfather: Thierry Metz Count Flanders 1099-1168
Great x 4 Grandfather: Robert "The Frisian" I Count Flanders
Great x 3 Grandmother: Gertrude Flanders Duchess Lorraine 1080-1117
Great x 4 Grandmother: Gertrude Billung Countess Holland 1030-1113
Great x 1 Grandfather: Matthew Metz Count Boulogne
Great x 4 Grandfather: Fulk "Réchin" Anjou 4th Count Anjou
Great x 3 Grandfather: Fulk "Young" King Jerusalem
Great x 4 Grandmother: Bertrade Montfort Queen Consort France 1070-1117
Great x 2 Grandmother: Sibylla Anjou Countess Essex and Flanders
Great x 4 Grandfather: Elias La Flèche De Baugency I Count Maine
GrandMother: Maud Metz 2 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Theobald Blois III Count Blois
Great x 3 Grandfather: Stephen Blois II Count Blois and Chartres 1045-1102
Great x 2 Grandfather: King Stephen I England Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: King William "Conqueror" I of England
-2 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandmother: Adela Normandy Countess Blois 1067-1137 Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Matilda Flanders Queen Consort England
Great x 1 Grandmother: Marie Blois I Countess Boulogne Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Eustace Flanders II Count Boulogne
Great x 3 Grandfather: Eustace Flanders III Count Boulogne
Great x 4 Grandmother: Ida Ardennes Countess Boulogne
Great x 2 Grandmother: Matilda Flanders
Great x 4 Grandfather: Malcolm III King Scotland
Great x 3 Grandmother: Mary Dunkeld Countess Boulogne 1082-1116
Great x 4 Grandmother: Margaret Wessex Queen Consort Scotland
Henry Reginar III Duke Brabant 1230-1261 4 x Great Grand Son of King William "Conqueror" I of England