| 1. | Sibyl de Braose Family/Spouse: William de Ferrers, 3rd Earl of Derby. William died in 1190 in Acre, Hazafon, Israel. [Group Sheet] [Family Chart]
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| 2. | William de Ferrers, 4th Earl of Derby William married Agnes, of Chester in 1192. Agnes (daughter of Hugh Of Kevelioc Earl Of Chester and Bertrade de Montfort) died on 2 Nov 1247. [Group Sheet] [Family Chart]
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| 3. | Sibyl de Ferrers Family/Spouse: Lord Of Appleby John De Vieuxpont. John was born in 1210; died in 1241. [Group Sheet] [Family Chart]
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| 4. | William de Ferrers, 5th Earl of Derby Family/Spouse: Margaret de Quincy. Margaret (daughter of Earl Of Winchester Roger de Quincy and Helen Of Galloway) died on 12 Mar 1280. [Group Sheet] [Family Chart]
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| 5. | Lord Of Appleby Robert De Vieuxpont Family/Spouse: Isabel Fitzjohn. [Group Sheet] [Family Chart]
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| 6. | Joan de Ferrers Joan married Sir Thomas de Berkley in 1267. Thomas (son of Maurice de Berkley and Isabel) died on 23 Jul 1321. [Group Sheet] [Family Chart]
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