Biography of Agnes Poitiers Queen Consort Leon Queen Consort Castile 1059-1078

Paternal Family Tree: Poitiers

In or after 1058 Agnes Poitiers Queen Consort Leon Queen Consort Castile was born to [her father] Guy William Poitiers VIII Duke Aquitaine (age 33) and [her mother] Mateoda Duchess Aquitaine.

Around October 1058 [her uncle] William VII Duke Aquitaine (age 35) died. His brother [her father] Guy (age 33) succeeded VIII Duke Aquitaine.

Before November 1058 [her father] Guy William Poitiers VIII Duke Aquitaine (age 33) and Garsende Perigord Duchess Aquitaine were married. She by marriage Duchess Aquitaine. He the son of [her grandfather] William "Great" V Duke Aquitaine and [her grandmother] Agnes Ivrea Duchess Aquitaine.

In November 1058 [her father] Guy William Poitiers VIII Duke Aquitaine (age 33) and Garsende Perigord Duchess Aquitaine were divorced.

After November 1058 [her father] Guy William Poitiers VIII Duke Aquitaine (age 33) and [her mother] Mateoda Duchess Aquitaine were married. She by marriage Duchess Aquitaine. He the son of [her grandfather] William "Great" V Duke Aquitaine and [her grandmother] Agnes Ivrea Duchess Aquitaine.

In May 1068 [her father] Guy William Poitiers VIII Duke Aquitaine (age 43) and [her mother] Mateoda Duchess Aquitaine were divorced.

In 1069 Alfonso "Brave" VI King Leon VI King Castile (age 28) and Agnes Poitiers Queen Consort Leon Queen Consort Castile (age 10) were married. She the daughter of Guy William Poitiers VIII Duke Aquitaine (age 44) and Mateoda Duchess Aquitaine. He the son of Ferdinand "Great" I King Leon and Sancha Astur Leonese.

The History of William Marshal, Earl of Chepstow and Pembroke, Regent of England. Book 1 of 2, Lines 1-10152.

The History of William Marshal was commissioned by his son shortly after William’s death in 1219 to celebrate the Marshal’s remarkable life; it is an authentic, contemporary voice. The manuscript was discovered in 1861 by French historian Paul Meyer. Meyer published the manuscript in its original Anglo-French in 1891 in two books. This book is a line by line translation of the first of Meyer’s books; lines 1-10152. Book 1 of the History begins in 1139 and ends in 1194. It describes the events of the Anarchy, the role of William’s father John, John’s marriages, William’s childhood, his role as a hostage at the siege of Newbury, his injury and imprisonment in Poitou where he met Eleanor of Aquitaine and his life as a knight errant. It continues with the accusation against him of an improper relationship with Margaret, wife of Henry the Young King, his exile, and return, the death of Henry the Young King, the rebellion of Richard, the future King Richard I, war with France, the death of King Henry II, and the capture of King Richard, and the rebellion of John, the future King John. It ends with the release of King Richard and the death of John Marshal.

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Before 22nd October 1071 [her father] Guy William Poitiers VIII Duke Aquitaine (age 46) and [her step-mother] Hildegarde Burgundy Duchess Aquitaine (age 15) were married. She by marriage Duchess Aquitaine. The difference in their ages was 31 years. She the daughter of Robert I Duke Burgundy (age 60) and Ermengarde Blanche Ingelger Duchess Burgundy (age 53). He the son of [her grandfather] William "Great" V Duke Aquitaine and [her grandmother] Agnes Ivrea Duchess Aquitaine. They were second cousin once removed.

On 12th January 1072 [her brother-in-law] Sancho "Strong" II King Leon II King Castile (age 35) was crowned II King Leon. He reigned for only nine months.

On 7th October 1072 [her brother-in-law] Sancho "Strong" II King Leon II King Castile (age 35) died. His brother [her husband] Alfonso (age 31) succeeded VI King Castile. Agnes Poitiers Queen Consort Leon Queen Consort Castile (age 14) by marriage Queen Consort Castile.