William DE FERRERS 3d Earl of Derby

  General Notes:

William de Ferrers, 3rd Earl of Derby was born in 1140 at Oakham, Rutland, England. He was the son of Robert de Ferrers, 2nd Earl of Derby and Margaret Peverel. He married Sybil de Braose, daughter of William de Braose and Bertha of Hereford, circa 1174 at Sussex, England. He died after 31 December 1189 at Acre, Palestine, killed in action.
He succeeded to the title of 3rd Earl of Derby in 1162. He fought in the Siege of Acre on 31 December 1189.

Children of William de Ferrers, 3rd Earl of Derby and Sybil de Braose

Millicent de Ferrers+
Agatha de Ferrers+
William de Ferrers, 4th Earl of Derby+ b. c 1162, d. 22 Sep 1247

William married Sybil DE BRAOSE about 1174 in Sussex, England. (Sybil DE BRAOSE was born about 1157 in Bramber, Sussex, England and died after 5 Feb 1228.)