Sir Knight Henry de Chambernon
Henry was born about 1135 in Ilfrancombe, Devonshire, England.  He died about 1203.

 Isabel
Isabel was born in 1140 in England.  She died after 1218.

 Henry de Chambernon
Henry was born about 1165 in Ilfrancombe, Devonshire, England.  He died about 1210.