Date differences

Family with Richard “Earl of Cornwall” de Cornwall - View this family

husband	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Joan St. Owen Joan de Cornwall Richard “Earl of Cornwall” de Cornwall Birth: about 1252 42 38 — Berkhamsted, Hertfordshire, England Death: 1280 — Berwick-upon-Tweed, Northumberland, England
herself	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Richard “Earl of Cornwall” de Cornwall Joan de Cornwall Joan St. Owen Birth: 1260 — Winchester, Hampshire, England Death: October 6, 1316 — Cornwell, Chipping Norton, Oxfordshire, England
	Marriage: —
daughter	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Sir John Howard Sir Admiral John Howard Joan de Cornwall Birth: about 1286 34 26 — Thunnock, Lincolnshire, England Death: September 25, 1342 — Howard Chapel, East Winch, Norfolk, England