Robert de Vipont Lord Westmorland
Robert de Vipont was born in 1228.  He died at the age of 36 on June 7th, 1264.

 Isabel FitzJohn
Isabel was born about 1240 in Shere, Surrey, England.

 Isabel de Vipont
Isabel was born about 1254 in Ricester, Oxfordshire, England.  She died on May 14th, 1291.

 Idonea de Vipont
She died in 1333.