Ranulph de Bostock
Ranulph was born about 1155 in Henbury, Cheshire, England.  He died after 1180.

 Margaret de Vernon
Margaret was born about 1165 in Shipbrook, Northwich, Cheshire, England.  She died after 1180.

 Warren de Bostock
Warren was born about 1180 in Henbury, Cheshire, England.