William de Ros Baron Ros
William was born in 1197 in Hemlsley,Yorkshire,England.  He died at the age of 67 in 1264 in Poitou,France.

 Lucia Brecknock FitzPiers
Lucia Brecknock was born about 1196 in Helmsley,Yorkshire,England.

 Robert de Ros Lord of Helmsley
Robert was born in 1226 in Helmsley,Yorkshire,and Belvoir,Leicestershire, England.  He died at the age of 59 on May 17th, 1285 in Belvoir Castle,Leicestershire,England.

 Piers de Ros
Piers was born after 1228.

 Lucy de Ros
Lucy was born about 1230 in Helmsley,Yorkshire,England.  She died after 1278.

 William de Ros Sir
William was born about 1232 in Ingmanthorpe,Kirk Deighton,Yorkshire,England.  He died before May 28th, 1310 in Grey Friars,York,Yorkshire,England.