| Father | Male Robert I Lord Clifford De Clifford |
| Born | 1274 | Clifford Castle, Hereford, England |
| Died | 24 Jun 1314 | Bannockburn, Stirling, Central, Scotland |
| Buried | ||
| Married | 13 Nov 1295 | Clifford Castle, Hereford, England |
| Father | Roger III Lord Clifford De Clifford | F25030 Group Sheet | |
| Mother | Isabel Lady of Appleby De Vipont | F25030 Group Sheet | |
| Mother | Female Maud De Clare |
| Born | 1276 | Gloucester, Gloucestershire, England |
| Died | 01 Feb 1326 | |
| Buried | ||
| Father | Thomas Lord of Thomond De Clare | F25072 Group Sheet | |
| Mother | Julianne FitzMaurice Fitzgerald | F25072 Group Sheet | |
| Child 1 | Female Idonea de Clifford |
| Born | 06 Feb 1299 | Alnwick, Northumberland, England |
| Died | 24 Aug 1365 | Alnwick, Northumberland, England |
| Buried | ||
| Spouse | Henry Percy | F59388 | |
| Married | ||
| Child 2 | Male Robert III Lord Clifford De Clifford |
| Born | 05 Nov 1305 | Ellingham, Northumberland, England |
| Died | 1339 | Bannockburn, Stirling, Central, Scotland |
| Buried | ||
| Spouse | Isabel Berkeley | F25028 | |
| Married | 02 Jun 1330 | Berkeley Castle, Berkeley, Gloucester, England |