Family of Earl of Derby, William de Ferrers III and Marshall, Sibyl
Families
| Unknown | Partner | Earl of Derby, William de Ferrers III [I2538] ( * about 1193 + 1253/4-03-24 (Julian) ) |
| Unknown | Partner | Marshall, Sibyl [I17281] ( * 1198 + ... ) |
| Unknown | Partner | Earl of Derby, William de Ferrers III [I2538] ( * about 1193 + 1253/4-03-24 (Julian) ) |
| Unknown | Partner | Marshall, Sibyl [I17281] ( * 1198 + ... ) |