Davis Uriah I | Born 1707
Family: Edmund de Mortimer, 3rd Earl of March and jure uxoris Earl of Ulster / PLANTAGENET, Philippa (F8338)
PLANTAGENET, MMR Lionel (1338-1368) 
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DE BURGH, MMR Elizabeth (1332-1363)
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| PLANTAGENET, Philippa (1355-1378)
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MORTIMER, Lady Agnes (1372-1417)  |
| MORTIMER, Roger 4th Earl of March (1374-1398) |
| MORTIMER, Agnes (1372-1417) |