Family: Edmund de Mortimer / Philippa of Clarence, 5th Countess of Ulster (F8352)
m. May 1368
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Male
Edmund de Mortimer
Birth 1 Feb 1352 Yorkshire, England 
Death 27 Dec 1381 County Cork, Ireland Burial Aft 27 Dec 1381 Herefordshire, England Marriage May 1368 Berkshire, England Father Roger De Mortimer | F700 Group Sheet Mother Philippa De Montacute, Countess Of March | F700 Group Sheet
Female
Philippa of Clarence, 5th Countess of Ulster
Birth 16 Aug 1355 Kentshire, England Death 5 Jan 1382 County Cork, Ireland Burial 8 Jan 1382 Herefordshire, England Father Lionel of Antwerp, Duke of Clarence | F8093 Group Sheet Mother Elizabeth de Burgh | F8093 Group Sheet
Female
+ Elizabeth Mortimer
Birth 12 Feb 1371 Yorkshire, England Death 20 Apr 1417 Sussex, England Burial 29 Apr 1417 Sussex, England Spouse Henry Percy | F10153 Marriage 10 Dec 1379 Yorkshire, England
Male
+ Roger Mortimer, 4th Earl Of March
Birth 11 Apr 1374 Yorkshire, England Christening 11 Apr 1374 Yorkshire, England Death 20 Jul 1398 County Meath, Ireland Burial 23 Aug 1398 Herefordshire, England Spouse Eleanor Holland | F4211 Marriage 7 Oct 1388