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Female Margaret de Burgh Countess of Ulster Click to view Margaret de Burgh Countess of Ulster in the family tree

Margaret de was born about 1264 in Of,Portslade,Sussex,England.1   Margaret de's father was John De Burgh and her mother was Cecilia De Baliol.  Her paternal grandparents were Sir John de Burgh and Hawise de Lanvallei; her maternal grandparents were John De Baliol LORD OF BARNARD CASTLE and Dervorgilla De Galloway. She had a brother and three sisters, named Thomas de, Devorguille De, Hawise and Christiana Devorguille de.  She was the third oldest of the five children.  She died in 1304.1 


Margaret de's family with Richard De Burgh 2nd Earl Of Ulster

‌Margaret de and Richard were married in a religious ceremony before February 27th, 1280 in ,Lanvalay,Connaght,Ireland.1   They had four sons and seven daughters, named Walter De, John de, Thomas De, Edmund de, Aveline, Eleanor, Elizabeth de, Maud (Matilda) De, Katherine De, Joan De and Elizabeth.

1 "Genealogical Research of Kirk Larson"
Further sources/citations:
"Héraldique européenne", Ancestral File (R), Ancestral File (R), "FamilySearch® Ancestral File™ v4.19"

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