| Father | Roger Clifford [BARON CLIFFORD] (1333 - ) |
| Mother | Maud De BEAUCHAMP [BARONESS CLIFFO (1335 - ) |
| Sibling | Catherine Clifford (1369 - 1413) |
| Sibling | Philippa Clifford (1371 - 1441) |
| Sibling | Lewis CLIFFORD KNIGHT (1359 - 1404) |
| Sibling | Philippe CLIFFORD (1360 - ) |
| Sibling | Isabella Clifford (1342 - ) |
| Sibling | Thomas Clifford [BARON CLIFFORD] (1363 - 1391) |
| Sibling | Lewis De Clifford [SIR KNIGHT GART (1364 - 1404) |
| Sibling | Margaret De Clifford (1367 - 1455) |
| Sibling | Maud De Clifford (1373 - ) |
| Sibling | William Clifford [SIR KNIGHT] (1375 - ) |