| b 1188, Of, , Worcestershire, England | ||||
| | | ||||
| Roger De Mortimer | ||||
| |b 1158 | | | |||
| |d 1215 | ||||
| | | ||||
| Miss De Mortimer | Robert De Ferrers | > | ||
| |Stephen De Gross | Robert De Ferrers, [Earl of Derby] | Hawise De Vitre, [Countess] | > | | | William De Ferrieres, [Earl of Derby] | b 1100 | William, 'The_Younger' Peverel, [De Nottingham] | > |
| | | |b 1140 | Margaret Peverel, [Countess] | Avice De Lancaster | > |
| Millicent De Ferrers | d 31 Dec 1189 | b 1114 | Philip De Braose | > |
| b 1170 | | | William De Braose, [Sheriff] | Aenor De Totnais | > |
| Sybil De Braose | b 1100 | Miles Of Gloucester, [Earl] | > | |
| b 1157 | Bertha De Gloucester | Sybil De Neufmarche, [Countess] | > | |
| d AFT 5 FEB 1227 1228 | b 1130 | |||