Robert De Ros
Robert was born in 1159 in Hamlake, Lincolnshire, England.¹   He died at the age of 15 in 1174 in Knights' Church, or the New Temple in London, England.¹ 

 Isabella of Huntington
Isabella of was born in Scotland.² 

 William De Ros M.p
William De Ros was born in 1220 in Helmley, Yorkshire, England.²   He died at the age of 44 in 1264.²