Family: Edmund de Mortimer / 5th Countess of Ulster Philippa of Clarence (F8496)
m. May 1368
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![]() | Roger De Mortimer![]() ![]() |
![]() | Countess Of March Philippa De Montacute![]() ![]() |
![]() | Baroness of Markeaton Margery de Mortimer![]() ![]() |
![]() | Janet De Mortimer![]() ![]() |
![]() | Duke of Clarence Lionel of Antwerp![]() ![]() |
![]() | Elizabeth de Burgh![]() |
![]() | Edmund de Mortimer![]() ![]() |

![]() | 5th Countess of Ulster Philippa of Clarence![]() ![]() |
![]() | Elizabeth Mortimer![]() ![]() |
![]() | 4th Earl Of March Roger Mortimer![]() ![]() |