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Female Joan St. Owen Click to view Joan St. Owen in the family tree

Joan was born about 1255 in Winchester, Hampshire, England.  Joan's father was John St. Owen.  She was an only child.  Joan is no longer alive.

Joan's family with Richard de Cornwall , Lord of Thunnock, Sir

‌Joan and Richard de were married in a religious ceremony about 1279 in Cornwall, Cornwall, England.  They had two sons and a daughter, named Edmund de, Geoffrey de and Joan de.

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