William, Lord) De Roos (BARON
William, Lord) De Roos was born about 1250 in Yorkshire, England.  He died on August 15th, 1316.

 Maud DE VAUX
Maud was born about 1244 in Aquitaine, England.

 Agnes DE ROOS
Agnes was born about 1289.

 William 2Nd Lord DE ROOS
William 2Nd Lord was born about 1290 in Helmsley, Yorkshire, England.  He died in Priory Kirkham, Yorkshire, England.