Sir William de Molyneux
Sir William was born about 1210 in Sefton, Lancastershire, England.  He died about 1289.  He was buried in Canterbury Cathedral.

 Margaret de Thornton
Margaret was born about 1212 in Lancastershire, England.

 Richard de Molyneux
Richard was born about 1232 in Sefton, Lancastershire, England.  He died about 1320.