Ancestral Roots #94-29 states that Margery de Burgh became a nun - probably Margaret. She may have become a nun after bearing a child.
Father: John de BURGH , Baron Lanvallei ,Sir b: ABT 1236 in Wakerly, Uppingham, Northamptonshire, England
Mother: Cecily de BALIOL b: ABT 1238 in Bernard Castle, Gainford, Durham, England
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