William De Ros
William was born about 1225 in Ingmanthorpe, Penistone, West Riding, Yorkshire, England.  He died in 1253 in Ingmanthorpe, Penistone, West Riding, Yorkshire, England.  He was buried in Church of Grey Friars, Yorkshire, England.

 Agnes De Clare
Agnes was born about 1224 in Cumberland, England.  She died on December 26th, 1261.

 Alice le Ros
Alice was born in 1242 in Stinton, Norfolk, England.  She died at the age of 59 on January 28th, 1301 in Stinton, Norfolk, England.