| b 1170, , , , England | Henry De Ferrers, [Sire] | > | Robert De Ferrers | Bertha Roberts |
| Robert De Ferrers, [Earl of Derby] | b 1062 | Andre Seigneur De Vitre | ||
| | b 1100 | Hawise De Vitre, [Countess] | Agnes De Mortaigne | > | |
| William De Ferrieres, [Earl of Derby] | d 1160 | b 1069 | William 'The_Elder' Peverel, [De Nottingham] | > |
| |b 1140 | | | William, 'The_Younger' Peverel, [De Nottingham] | Adeline Mrs Peverel | |
| |d 31 Dec 1189 | Margaret Peverel, [Countess] | b 1080 | Roger 'The_Poitevin' La_Marche, [Lord] | |
| | | b 1114 | Avice De Lancaster | Almodis Countess La_Marche | > |
| Son De Ferrers | b 1088 | William De Braose | ||
| | | Philip De Braose | Agnes De Saint_Clare | > | | | William De Braose, [Sheriff] | b 1073 | Judeal Johel De Totenais | > |
| | | |b 1100 | Aenor De Totnais | Miss De Pecguigny | |
| Sybil De Braose | d 1192 | b 1084 | Walter Fitzroger, [Sheriff] | > |
| b 1157 | | | Miles Of Gloucester, [Earl] | Emma De Ballon | > |
| d AFT 5 FEB 1227 1228 | Bertha De Gloucester | b 1092 | Bernard De Neufmarche, [Lord] | > |
| b 1130 | Sybil De Neufmarche, [Countess] | Nest Fitch Richard | > | |
| b 1096 | ||||