Robert FitzRoger DeClavering
Robert was born in 1247 in Whalton, Northumberland, England.  He died at the age of 72 in 1319.

 Margaret LaZouche
Margaret was born in 1234 in Ashby, Leicesteshire, England.  She died after 1280.

 Roger FitzRoger
Roger was born in Chester, England.