Biography of Marie Chatillon Countess Pembroke 1303-1377
Paternal Family Tree: Chatillon
Maternal Family Tree: Margaret Geneva Countess Savoy 1180-1252
Before 1295 [her future husband] Aymer de Valence 2nd Earl Pembroke (age 20) and Béatrix de Clermont were married. He the son of William de Valence 1st Earl Pembroke and Joan Munchensi Countess Pembroke (age 64). She a great x 5 granddaughter of King Henry I "Beauclerc" England. 
Around 1303 Marie Chatillon Countess Pembroke was born to Guy Chatillon IV Count Saint Pol (age 49) and Marie Capet (age 35). She a great granddaughter of King Henry III of England.
On 20 Sep 1307 Joan Munchensi Countess Pembroke (age 77) died. Her son [her future husband] Aymer de Valence 2nd Earl Pembroke (age 32) succeeded 2nd Earl Pembroke.
On 06 Apr 1317 [her father] Guy Chatillon IV Count Saint Pol (age 63) died. His son [her brother] Jean Chatillon Count Saint Pol (age 25) succeeded Count Saint Pol.
In 1321 Aymer de Valence 2nd Earl Pembroke (age 46) and Marie Chatillon Countess Pembroke (age 18) were married. She by marriage Countess Pembroke. The difference in their ages was 28 years. She the daughter of Guy Chatillon IV Count Saint Pol and Marie Capet (age 53). He the son of William de Valence 1st Earl Pembroke and Joan Munchensi Countess Pembroke. They were half first cousin twice removed. She a great granddaughter of King Henry III of England.
On 23 Jun 1324 [her husband] Aymer de Valence 2nd Earl Pembroke (age 49) died. He was buried at Westminster Abbey [Map] where his tomb effigy can still be seen as a splendid example of late gothic architecture. Earl Pembroke extinct.
In 1339 [her mother] Marie Capet (age 71) died.
In 1347 Marie Chatillon Countess Pembroke (age 44) founded Pembroke College, Cambridge University; it was originally known as he Hall of Valence-Mary.
In 1355 and 1366, Marie Chatillon Countess Pembroke (age 52) acquired papal bulls to allow the Pembroke College, Cambridge University its own chapel, which was the first college chapel to be built in Cambridge.
On 20 Feb 1377 Marie Chatillon Countess Pembroke (age 74) drew up her will at Braxted Park.
On 16 or 17 Mar 1377 Marie Chatillon Countess Pembroke (age 74) died.
[her father] Guy Chatillon IV Count Saint Pol and [her mother] Marie Capet were married. She the daughter of John Capet II Duke Brittany and Beatrice Plantagenet. He the son of Guy Chatillon III Count Saint Pol and Matilda Reginar Countess Saint Pol. They were half third cousin once removed. He a great x 5 grandson of King William "Conqueror" I of England. She a granddaughter of King Henry III of England. 
Kings Wessex: Great x 8 Grand Daughter of King Edmund "Ironside" I of England
Kings England: Great Grand Daughter of King Henry III of England
Kings Scotland: Great x 6 Grand Daughter of Malcolm III King Scotland
Kings Franks: Great x 4 Grand Daughter of Louis VII King Franks
Kings France: Great x 5 Grand Daughter of Louis "Fat" VI King France
Great x 3 Grandfather: Guy II Chatillon
Great x 2 Grandfather: Walter III Chatillon
Great x 1 Grandfather: Hugh Chatillon I Count Blois V Count Saint Pol
GrandFather: Guy Chatillon III Count Saint Pol 4 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: James Avesnes
Great x 2 Grandfather: Walter Avesnes
Great x 4 Grandfather: Bouchard Guise
Great x 3 Grandmother: Adela Guise
Great x 1 Grandmother: Mary Avesnes 3 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Theobald Blois II Count Champagne IV Count Blois
Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: Theobald "Good" Blois V Count Blois Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandmother: Matilda Carinthia Countess Champagne and Blois
Great x 2 Grandmother: Margaret Blois 2 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Louis VII King Franks
Great x 3 Grandmother: Alix Capet Countess Blois
Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
Father: Guy Chatillon IV Count Saint Pol 5 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Godfrey Reginar VII Duke Lower Lorraine
Great x 3 Grandfather: Godfrey Reginar VIII Duke Lower Lorraine
Great x 4 Grandmother: Lutgardis Sulzbach Duchess Lower Lorraine
Great x 2 Grandfather: Henry Reginar VIII Duke Lower Lorraine I Duke Brabant
Great x 4 Grandfather: Henry Luxemburg II Duke Limburg
Great x 3 Grandmother: Margaret Luxemburg Duchess Lower Lorraine
Great x 4 Grandmother: Mathilda Saffenburg Duchess Limburg
Great x 1 Grandfather: Henry Reginar II Duke Brabant 3 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Thierry Metz Count Flanders
Great x 3 Grandfather: Matthew Metz Count Boulogne
Great x 4 Grandmother: Sibylla Anjou Countess Essex and Flanders
Great x 2 Grandmother: Maud Metz 2 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: King Stephen I England Grand Son of King William "Conqueror" I of England
Great x 3 Grandmother: Marie Blois I Countess Boulogne Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Matilda Flanders
GrandMother: Matilda Reginar Countess Saint Pol 4 x Great Grand Daughter of King William "Conqueror" I of England
Great x 2 Grandfather: Philip Swabia
Great x 1 Grandmother: Marie Swabia Duchess Brabant
Marie Chatillon Countess Pembroke Great Grand Daughter of King Henry III of England
Great x 4 Grandfather: Robert "Great" Capet I Count Dreux
Great x 3 Grandfather: Robert Capet II Count Dreux
Great x 4 Grandmother: Agnes Baudemont Countess Dreux
Great x 2 Grandfather: Peter of Dreux aka Mauclerc Duke Brittany
Great x 4 Grandfather: Raoul Coucy
Great x 3 Grandmother: Yolande Coucy Countess Dreux
Great x 4 Grandmother: Agnes Flanders
Great x 1 Grandfather: John "The Red" Capet I Duke Brittany 4 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Geoffrey Thouars IV Viscount Thouars
Great x 3 Grandfather: Guy Thouars
Great x 4 Grandmother: Aenor Lusignan Viscountess Thouars
Great x 2 Grandmother: Alix Thouars Duchess of Brittany 3 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Conan "The Young" Penthièvre IV Duke Brittany Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandmother: Constance Penthièvre Duchess Brittany 2 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandmother: Margaret Dunkeld Duchess Brittany
GrandFather: John Capet II Duke Brittany 5 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Henry Blois I Count Champagne Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: Theobald Blois III Count Champagne 2 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandmother: Marie Capet Countess Champagne
Great x 2 Grandfather: Theobald IV King Navarre 3 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Sancho "Wise" King Navarre
Great x 3 Grandmother: Blanche Ramirez
Great x 4 Grandmother: Sancha Ivrea
Great x 1 Grandmother: Blanche "Navarre" Blois Duchess Brittany 4 x Great Grand Daughter of King William "Conqueror" I of England
Great x 3 Grandfather: Guichard IV of Beaujeu
Great x 2 Grandmother: Agnes of Beaujeu Countess Savoy
Mother: Marie Capet Grand Daughter of King Henry III of England
Great x 4 Grandfather: Geoffrey Plantagenet Duke Normandy
Great x 3 Grandfather: King Henry "Curtmantle" II of England Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Empress Matilda
Daughter of King Henry I "Beauclerc" England
Great x 2 Grandfather: King John "Lackland" of England Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: William "Saint" Poitiers X Duke Aquitaine
Great x 3 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
Great x 4 Grandmother: Aenor Chatellerault Duchess Aquitaine
Great x 1 Grandfather: King Henry III of England Son of King John "Lackland" of England
Great x 4 Grandfather: William "Taillefer" Angoulême VI Count Angoulême
Great x 3 Grandfather: Aymer Angoulême I Count Angoulême
Great x 2 Grandmother: Isabella of Angoulême Queen Consort England
Great x 4 Grandfather: Peter Courtenay
Great x 3 Grandmother: Alice Courtenay Countess Angoulême
Great x 4 Grandmother: Elizabeth Courtenay
GrandMother: Beatrice Plantagenet Daughter of King Henry III of England
Great x 4 Grandfather: Alfonso II King Aragon
Great x 3 Grandfather: Alfonso Barcelona II Count Provence
Great x 4 Grandmother: Sancha Ivrea Queen Consort Aragon
Great x 2 Grandfather: Raymond Berenguer Provence IV Count Provence
Great x 4 Grandfather: Rainou of Sabran
Great x 3 Grandmother: Gersenda II Sabran Countess Provence
Great x 1 Grandmother: Eleanor of Provence Queen Consort England
Great x 4 Grandfather: Humbert Savoy III Count Savoy
Great x 3 Grandfather: Thomas Savoy I Count Savoy
Great x 4 Grandmother: Beatrice Macon Countess Savoy
Great x 2 Grandmother: Beatrice Savoy Countess Provence
Great x 4 Grandfather: William I-Count Geneva
Great x 3 Grandmother: Margaret Geneva Countess Savoy