William "Fort" De VIVONNE
William "Fort" De was born about 1218 in Of, Albermarle, Scotland.  He died on May 22nd, 1259.

 Maud (Matilda) De FERRERS
Maud (Matilda) De was born about 1223 in Of, Derbyshire, England.

 Joan De VIVONNE
Joan De was born about 1233 in Hertfordshire, England.  She died in 1314.

 Cecilia (Cicely) De VIVONNE
Cecilia (Cicely) De was born about 1253 in Of, Hatch, Somersetshire, England.  She died on January 10th, 1320 in Stoke-Under-Hamden, Somersetshire, England.  She was buried in Fort In Poitore.