William III Talvas , Count of Alencon & Ponthieu 
William III was born in 1084 in Alencon, Orne, France. William III's father was Robert II de Montgomery , 3rd Earl Shrewsbury and his mother was Agnes Heiress of Montreuil & Ponthieu. He was an only child. He died at the age of 87 on June 30th, 1171.General Notes
William III Talvas, died 30 June 1171, Count of Alencon & Ponthieu, son of Robert II de Belleme, 3rd Earl of Shrewsbury, Seigneur of Belleme, Domfront and Alencon, born between 1052 and 1056, died 8 May, not earlier than 1131, by his wife, Agnes, living 1100, daughter of Guy I, died 1100, Count of Ponthieu and Montreuil. [Ancestral Roots]
‌William III and Alice (Alix or Ela) of were married in a religious ceremony after 1112 in 2nd husband. They had two sons and two daughters, named Guy II Montgomery Count of, Thurston le, Ela de and Clemence de.
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Children
Guy II Montgomery Count of Ponthieu
Guy II Montgomery Count of was born in 1118 in of Ponthieu, France. He died at the age of 29 in 1147 in Ephesus on way to Holy Land.
Ela de Talvas , de Alencon
Ela de was born about 1120 in Alencon, Orne, France. She died on October 4th, 1174.
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