Richard married Joan SAINT OWEN about 1279 in Cornwall, England. Joan was born about 1260 in Winchester, England; died after 1319. [Group Sheet] [Family Chart]
1. Sir Richard DE CORNWALL was born about 1252 in Berkhamstead, Hertfordshire, England; died in 1296 in Siege of Berwick; was buried in Hayles, Gloucestershire, England.