| Male Sir Henry de Percy, Lord Percy |
| Birth | Between 1322 and 1325 | Seamer, Yorkshire, England |
| Death | 18 May 1368 | |
| Burial | Alnwick, Northumberland, England |
|
| Marriage | May 1365 [1] | |
| Other Spouse | Mary Plantagenet | F7911 | |
| Marriage | 4 Sep 1334 | Tutbury Castle, Staffordshire, England |
| Father | Sir Henry de Percy, KG, Lord Percy | F5437 Group Sheet | |
| Mother | Idonea de Clifford | F5437 Group Sheet | |
| Female Joan Orreby |
| Birth | ||
| Death | Jul 1369 | |
| Burial | ||
| Other Spouse | Sir Constiantine de Clifton | F8529 | |
| Marriage | Aft 1368 | |
| Father | ||
| Mother | ||
| Female Mary de Percy |
| Birth | 12 Mar 1367 | |
| Death | 25 Aug 1394 | York, Yorkshire, England |
| Burial | Aft 25 Aug 1394 | Rievaulx Abbey, Yorkshire, England![]() Rievaulx Abbey, Yorkshire, England |
| Spouse | Sir John de Ros of Helmsley, KB, Lord Ros | F8657 | |
| Marriage | Before 22 Jun 1385 | |
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Sources 🟢 Primary Evidence 🟡 Secondary Evidence 🟠Tertiary Evidence 🔴 Unreliable Evidence |
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