| Hugh de Vivonne, Baron Chewton (c.1195-1249) |
William de Ferrers, III, 5th Earl of Berby, Constable of Bolsover
Castle (c.1193-1254) |
| Mabel Malet (1195-1293) |
Sibyl Marshal,
Countess of Derby (1209-1245) |
| Baron William "Fort" Fortibus de Vivonne, Lord of Chewton | Maud Matilda de Ferrers |
| b. c. 1230 d. 1259 bur. occ. edu. rel. bp. |
b. c. 1228 d. 1298 bur. occ. edu. rel. bp. |