| William III de Ferrers 5th E. of Derby, E. of Chester (~1193 - 1253) |
|
| Sibyl Marshall (~1208 - 1245) |
| Reynold de Bohun | Isabel de Ferrers |
| b. abt 1226 d. bur. occ. cen. im. . ud. |
b. abt 1226, Of Derbyshire, England d. 1260 bur. occ. cen. im. . ud. |
| Spouses: 1, 2 |