Mary married Duncan Earl Of FIFE in Nov 1307. Duncan (son of Duncan Earl Of FIFE and Joan DE CLARE) died in 1353 in Scotland. [Group Sheet] [Family Chart]
Ralph married Joan (of Acre) Of ENGLAND in early 1297. Joan (daughter of Edward I "Longshanks"Of ENGLAND and Countess of Ponthieu Eleanor of CASTILE) was born in 1272 in Acre, Palestine; died on 23 Apr 1307 in Clare, Sufolk, England; was buried in Clare Priory. [Group Sheet] [Family Chart]