MaleHenry DE PERCY, 3rd Baron Percy of Alnwick |
| Birth | Abt 1321 | |
| Death | Abt 18 May 1368 | Alnwick, Northumberland, England |
| Burial | 1368 | Alnwick Abbey |
| Marriage | Abt 1365 | |
| Other Spouse | Mary, of Lancaster | F3842 | |
| Marriage | ||
| Father | Sir Henry PERCY, 9th Baron Percy of Topcliffe, 2nd Baron Percy of A | F3965 Group Sheet | |
| Mother | Idonia DE CLIFFORD | F3965 Group Sheet | |
FemaleJoan DE ORREBY |
| Birth | ||
| Death | 31 Aug 1369 | Alnwick, Northumberland, England |
| Burial | ||
| Other Spouse | Sir Constantine DE CLIFTON | F5435 | |
| Marriage | Aft 1368 | |
| Father | John DE ORREBY, Lord Orreby | F5434 Group Sheet | |
| Mother | ||
FemaleMary PERCY |
| Birth | 12 Mar 1367 | |
| Death | 25 Aug 1394 | |
| Burial | ||
| Spouse | John DE ROS, 5th Baron de Ros of Helmsley, KB | F5436 | |
| Marriage | Bef 22 Jun 1382 | |