William "Fort" De VIVONNE
William "Fort" was born about 1225 in Of, , Albermarle, Scotland.¹   He died on May 22nd, 1259.

 Maud (Matilda) De FERRERS
Maud (Matilda) was born about 1228 in Of, , Derbyshire, Eng..¹ 

 Joan De VIVONNE
Joan was born about 1249 in Hertfordshire Co., Eng..¹   She died in 1314.