In 1391, at the age of twelve, Joan married Robert Ferrers, 5th Baron Boteler of Wem at Beaufort-en-Vallée, Anjou.
Joan married Robert Ferrers, 5th Baron Boteler of Wem at Beaufort-en-Vallée. This was at the age of twelve. This was in 1391. Beaufort-en-Vallée was Anjou.