Biography of Peter of Dreux aka Mauclerc Duke Brittany 1187-1250

Paternal Family Tree: Capet

Maternal Family Tree: Clementia Aquitaine Countess Luxemburg 1060-1142

In 1178 [his father] Robert Capet II Count Dreux (age 24) and Mahaut Burgundy Countess Dreux were married. She by marriage Countess Dreux. He the son of Robert "Great" Capet I Count Dreux (age 55) and Agnes Baudemont Countess Dreux (age 48).

After 1181 [his father] Robert Capet II Count Dreux (age 27) and [his mother] Yolande Coucy Countess Dreux (age 17) were married. She by marriage Countess Dreux. He the son of Robert "Great" Capet I Count Dreux (age 58) and Agnes Baudemont Countess Dreux (age 51). They were third cousin once removed.

Around 1187 Peter of Dreux aka Mauclerc Duke Brittany was born to Robert Capet II Count Dreux (age 33) and Yolande Coucy Countess Dreux (age 23).

On 11 Oct 1188 [his grandfather] Robert "Great" Capet I Count Dreux (age 65) died. His son [his father] Robert Capet II Count Dreux (age 34) succeeded II Count Dreux.

In 1203 Arthur Plantagenet 3rd Duke Brittany (age 16) was murdered at Rouen, France [Map]. His half sister [his future wife] Alix Thouars Duchess of Brittany (age 1) succeeded 5th Countess Richmond. Her half-sister [his future sister-in-law] Eleanor "Fair Maid of Britanny" 4th Countess of Richmond (age 19), who was imprisoned from 1202 to her death, also used the title Countess of Richmond.

In or before 1217 Peter of Dreux aka Mauclerc Duke Brittany (age 30) and Alix Thouars Duchess of Brittany (age 15) were married. He by marriage Duke Brittany 1221 Dreux, Earl Richmond. She the daughter of Guy Thouars and Constance Penthièvre Duchess Brittany. He the son of Robert Capet II Count Dreux (age 62) and Yolande Coucy Countess Dreux (age 52). They were fourth cousins. She a great x 3 granddaughter of King Henry I "Beauclerc" England.

In 1218 Peter of Dreux aka Mauclerc Duke Brittany (age 31) was created 1st Earl Richmond.

In 1218 [his son] John "The Red" Capet I Duke Brittany was born to Peter of Dreux aka Mauclerc Duke Brittany (age 31) and [his wife] Alix Thouars Duchess of Brittany (age 16).

On 28 Dec 1218 [his father] Robert Capet II Count Dreux (age 64) died. His son [his brother] Robert Capet III Count Dreux (age 33) succeeded III Count Dreux.

Around 1219 [his daughter] Yolande Capet Countess Lusignan, La Marche and Angoulême was born to Peter of Dreux aka Mauclerc Duke Brittany (age 32) and [his wife] Alix Thouars Duchess of Brittany (age 17).

In 1220 [his son] Arthur Capet was born to Peter of Dreux aka Mauclerc Duke Brittany (age 33) and [his wife] Alix Thouars Duchess of Brittany (age 18).

In 1221 [his wife] Alix Thouars Duchess of Brittany (age 19) died. Earl Richmond extinct. It isn't clear why her son didn't inherit the title? Her husband had been created Earl Richmond in his own right in 1218 so possible her son didn't inherit the first, contested, creation since he would succeed to the second creation.

On 18 Mar 1222 [his mother] Yolande Coucy Countess Dreux (age 58) died.

In 1224 [his son] Arthur Capet (age 4) died.

Before Feb 1232 Peter of Dreux aka Mauclerc Duke Brittany (age 45) and Nicole Unknown were married. He the son of Robert Capet II Count Dreux and Yolande Coucy Countess Dreux.

Before 1235 [his son-in-law] Hugh Lusignan XI Count Lusignan VI Count La Marche II Count Angoulême (age 14) and [his daughter] Yolande Capet Countess Lusignan, La Marche and Angoulême (age 15) were married. She the daughter of Peter of Dreux aka Mauclerc Duke Brittany (age 47) and Alix Thouars Duchess of Brittany. He the son of Hugh Lusignan X Count Lusignan V Count La Marche (age 51) and Isabella of Angoulême Queen Consort England (age 46). They were third cousins. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

In 1235 Peter of Dreux aka Mauclerc Duke Brittany (age 48) forfeit the title of Earl Richmond since he was then aligned to the Kingdom of France.

In 1236 [his son] John "The Red" Capet I Duke Brittany (age 18) and [his daughter-in-law] Blanche "Navarre" Blois Duchess Brittany (age 10) were married. She the daughter of Theobald IV King Navarre (age 34) and Agnes of Beaujeu Countess Savoy. He the son of Peter of Dreux aka Mauclerc Duke Brittany (age 49) and Alix Thouars Duchess of Brittany. They were third cousin once removed. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 4 granddaughter of King William "Conqueror" I of England.