Reynold De Mohun
Reynold was born about 1200 in Devonshire,England.  He died in Tor Mohun,Devonshire,England.

 Isabel De Ferrers
Isabel was born about 1226 in Derbyshire,England.  She died about November 26th, 1260.

 Isabel De Mohun
Isabel was born about 1244 in Dunster,Somersetshire,England.