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Male Geoffrey de CORNWALL Click to view Geoffrey de CORNWALL in the family tree

Geoffrey de was born about 1288 in Manor of Thunnock, Lincolnshire, England.  Geoffrey de's father was Richard de CORNWALL and his mother was Joan ST. OWEN.  His paternal grandparents were Richard PLANTAGENET and Joan UNKNOWN; his maternal grandfather was John ST. OWEN.  He was an only child.  He died before June 1335 in Burford, Shropshire, England.


Geoffrey de's family with Margaret MORTIMER

They had a son named Richard de.