William de Chambernon
William was born about 1252 in Ilfrancombe, Devonshire, England.  He died in 1304.

 Joan de Ferrers
Joan was born about 1256 in Bere Ferrers, Tavistock, Devonshire, England.

 Margaret Chambernon
Margaret was born about 1280 in Ilfrancombe, Devonshire, England.