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William de Ferrers, 4th Earl of Derby was born circa 1168 to William de Ferrers, 3rd Earl of Derby (-1190) and Sibylla de Braose (-1227) and died circa 1247 of unspecified causes. He married Agnes de Kevelioch (c1174-1247) .

Siblings



Children



Offspring of William Ferrers and Agnes de Kevelioch (c1174-1247)
Name Birth Death Joined with
William de Ferrers, 5th Earl of Derby (c1193-1254) 1193 28 March 1254 Sibyl Marshall (1209-bef1238) Sibyl Marshall (1209-bef1238) Margaret de Quincy (c1218-bef1285)
Bertha de Ferrers (1218-1267) 1218 Thetford, Norfolk, England, United Kingdom 10 February 1267 England, United Kingdom Thomas de Furnival (1200-1238) Thomas de Furnival (1200-1238) Ralph Bigod (c1215-1260)
Sibyl de Ferrers (1216-?)
Thomas de Ferrers
Hugh de Ferrers
















Footnotes (including sources)

‡ General



Elrondlair

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