Margaret de Beaumont, *
- 1235(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Margaret de Beaumont, * [1] d. Jan 12, 1235
- Saher (Saire) de Quincy, *Earl of Winchester b. 1155 d. Nov 03, 1219
- 2 Roger II de Quincy, *Earl of Winchester [1.1] d. Apr 25, 1264
- Helen of Galloway, *
- 3 Elena de Quincy, * [1.1.1] b. circa 1212 d. circa 1296
- 3 Isabel de (Elizabeth) Quincy [1.1.2]
- 3 Margaret de Quincy [1.1.3] d. circa 1280
- William V. de Ferrers, Earl of Derby b. circa 1195 d. 1254
- 4 Sir Robert de Ferrers [1.1.3.1] d. Y
[ =>]
- 4 Sir William VI Ferrers [1.1.3.2] b. circa 1240 d. 1289
- 4 Joan Ferrers [1.1.3.3] b. circa 1250 d. 1309
- 4 Sir Robert de Ferrers [1.1.3.1]
- 3 Elena de Quincy, * [1.1.1]
- 2 Orabella de Quincy [1.2] d. Y
- 2 Hawise de Quincy [1.3] b. circa 1205 d. Y
- 2 Roger II de Quincy, *Earl of Winchester [1.1]
