Roger II De Quincy
Roger II De was born about 1174 in Winchester, Hampshire, England.  He died on August 25th, 1264 in London, Middlesex, England.  He was buried in , Brackley, Aberdeenshire, Scotland.

 Helen De Galloway
Helen De was born about 1208 in Carrick, Ayrshire, Scotland.  She died after November 21st, 1245 in England.  She was buried in Brackley, Aberdeenshire, Scotland.

 Margaret De Quincy
Margaret De was born in 1218 in Winchester, Hampshire, England.  She died at the age of 66 on March 12th, 1284 in ?.