4th Earl of Derby Sir William de Ferrers, II
1168 - 1247 (79 years)( = Descendancy chart to this point, = Expand, = Collapse)
- 1 4th Earl of Derby Sir William de Ferrers, II [1] b. 1168 d. 1247
- Agnes de Kevelioc b. 1174 d. 2 Nov 1247
- 2 5th Earl of Derby Sir William de Ferrers, III [1.1] b. 1200 d. 24 Mar 1254
- Sibyl Marshall b. 1209 d. 27 Apr 1245
- 3 Joan de Ferrers [1.1.1] b. Abt 1233
- Knight of Munster John de Mohun, I b. 1232 d. 1253
- 4 John de Mohun, II [1.1.1.1] b. 1248 d. 11 Jun 1279 [ =>]
- Knight of Munster John de Mohun, I b. 1232 d. 1253
- 3 Joan de Ferrers [1.1.1] b. Abt 1233
- Margaret de Quincy b. Abt 1218 d. Abt 1280
- 3 1st Baron Ferrers of Groby Sir William de Ferrers, IV [1.1.2] b. 1240 d. 24 Jan 1288
- Anne Durwood b. 1248 d. 1280
- 4 1st Baron Ferrers of Gorby Sir William de Ferrers, V [1.1.2.1] b. 30 Jan 1271 d. 20 Mar 1343 [ =>]
- Anne Durwood b. 1248 d. 1280
- 3 1st Baron Ferrers of Groby Sir William de Ferrers, IV [1.1.2] b. 1240 d. 24 Jan 1288
- Sibyl Marshall b. 1209 d. 27 Apr 1245
- 2 5th Earl of Derby Sir William de Ferrers, III [1.1] b. 1200 d. 24 Mar 1254
- Agnes de Kevelioc b. 1174 d. 2 Nov 1247