(4001477)

William de Ferrers 6th Earl of Derby

1. Mariage/Union : Sibyl Marshall(?-n.1238)(4009668)
   
   1. Agnes de Ferrers (?-1290)(4010720)oo
      
   2. Isabel de Ferrers (?-26.11.1260)(4010722)oo
      
   3. Maud (Matilda) de Ferrers * de Rochechouart (c.1230-12.3.(1298/1299))(4010184)oo
      
   4. Sibil de Ferrers ([n.1192,n.1238]-?)(4010725)oo
      
   5. Joane de Ferrers (?-v.?.10.1267)(4010728)oo
      
   6. Agatha de Ferrers (?-1306)(4010731)oo
      
   7. Eleanor de Ferrers (?-1274)(4010733)oo
      
2. Mariage/Union (2.9.1965): Margaret de Quincy(?-c.12.3.(1280/1281))(78001115)
   
   1. Robert de Ferrers * of Derby (c.1239-(v.27.4.)1279)(4001478)oo
      
   2. William de Ferrers (c.1240-v.20.12.1287/1288/24.1.(1298/1299))(4010739)oo
      
   3. Joan de Ferrers (?-19.3.(1309/1310))(4010742)oo
      
   4. Agnes de Ferrers (?-n.9.5.1281)(4010744)oo