Ivo de Roumare Taillebois
Ivo de Roumare was born about 1036 in Yorkshire, England.  He died about 1114 in Kendal, Lancastershire, England.

 Lucy Beatrice Malet
Lucy Beatrice was born about 1059 in Anjou, France.  She died after 1135.

 William de Taillebois
William was born about 1076 in Lancaster, England.