Richard Plantagenet De+ Cornwall & Joan De+ Saint Owen 
Richard Plantagenet De+ and Joan De+ were married in a religious ceremony about 1279. They had two sons and a daughter, named Edmund De+, Geoffrey De and Joan De+.
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Personal Details
Richard Plantagenet De+ Cornwall
Richard Plantagenet De+ was born about 1252 in Berkhampstead, Herefordshire, England. He died in 1296 in Siege of Berwick, Northumberland, England. He was buried in Hayles, Gloucestershire, England.
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Children
Geoffrey De Cornwall
Geoffrey De was born about 1288 in Burford, Shropshire, England; Alternate POB given. He died before June 1335 in Burford, Shropshire, England.