Philippa of Clarence

Countess of Ulster (suo jure)

Predecessor Elizabeth de Burgh and Lionel of Antwerp

Successor Edmund Mortimer

Spouse Edmund Mortimer, 3rd Earl of March

m. c. 1368; dec. 1381

Issue

Lady Elizabeth Mortimer, Baroness Camoys

Roger Mortimer, 4th Earl of March

Lady Philippa de Mortimer, Countess of Pembroke, Countess of Arundel

Sir Edmund Mortimer

Sir John de Mortimer

House House of Plantagenet (by birth)

Mortimer family (by marriage)

Father Lionel of Antwerp, 1st Duke of Clarence

Mother Elizabeth de Burgh, Countess of Ulster

Born 16 August 1355(1355-08-16)

Eltham Palace, Kent

Died 5 January 1382 (aged 26)

Cork, Ireland

Burial Wigmore, Herefordshire

http://en.wikipedia.org/wiki/Philippa_Plantagenet,_5th_Countess_of_Ulster

http://thepeerage.com/p10199.htm

http://www.geneall.net/U/per_page.php?id=1098

http://auden.stanford.edu/cgi-bin/auden/individual.php?pid=I2304&ged=auden-bicknell.ged