WILLIAM (de Fortibus) de VIVONIA
WILLIAM (de Fortibus) was born about 1225 in Albermarle, Scotland.¹   He died on May 22nd, 1259.¹ 

 MAUD (de Kyme) de FERRERS
MAUD (de Kyme) was born about 1228 in Derbyshire, Enghland.^1 1 

 JOAN de VIVONIA
JOAN was born in 1238 in Hertfordshire, England.¹   She died at the age of 76 in 1314.¹ 

 CECILIA (Ceciley) de VIVONIA
She died in 1320.¹