William I De+ Ros
William I De+ was born about 1180 in Helmsley, Yorkshire, England.  He died in 1258.

 Lucia+ Fitzpiers
Lucia+ was born about 1190 in Forest of Dene, Gloucestershire, England.

 Robert De+ Ros
Robert De+ was born about 1208 in Hamlake Castle, Yorkshire, England.  He died on May 17th, 1285 in Belvoir Castle, Leicestershire, England.  He was buried in Kirkham Abbey, Yorkshire, England.

 William De+ Ros
William De+ was born about 1224 in Ingmanthorpe, England.  He died before May 28th, 1310.

 Lucy De Ros
Lucy De was born about 1225 in Helmsley Castle, Holderness, Yorkshire, England.