| Spouse | Agnes DE BERTRAM (1193 - 1244) |
| Child | Margaret FITZWILLIAM (1235 - 1278) |
| Child | Albreda FITZWILLIAM (1212 - ) |
| Child | Margaret FITZWILLIAM (1214 - ) |
| Child | Peter FITZWILLIAM , of Denaby (1216 - ) |
| Child | Agnes FITZTHOMAS (1218 - ) |
| Child | Sir Thomas I FITZTHOMAS (1221 - 1294) |
| Child | Bertha FITZWILLIAM (1222 - ) |
| Child | Dionise FITZTHOMAS (1227 - ) |
| Child | William FITZTHOMAS (1230 - 1295) |
| Child | Agnes FITZWILLIAM (1231 - ) |
| Child | Bertha FITZWILLIAM (1233 - ) |
| Child | Peter FITZWILLIAM (1235 - ) |
| Child | Roger FITZ THOMAS (1235 - ) |
| Child | Ranuta FITZWILLIAM (1237 - ) |
| Child | Sir William Fitz William Knight Of Emely And Sprotbrough (1240 - 1294) |
| Child | Alberda FITZWILLIAM (1242 - ) |