16 x Great Uncle Robert CLIFFORD -> Idonea de CLIFFORD -> *Maude de PERCY -> Ralph NEVILL -> Edward NEVILL -> George NEVILL -> Edward Neville -> Katherine Neville -> Martha Throckmorton -> George Lynne -> Martha Lynne -> John Blennerhassett -> John Blennerhassett -> John Blennerhassett -> Agnes Blennerhassett -> Jane Denny -> Charlotte Denny Robert CLIFFORD -> Roger de Clifford
He joined the rebellion of Thomas, Earl of Lancaster, against the rule of Edward II and his favourites. Taken prisoner at the Battle of Boroughbridge on 16 March 1322, he was executed at York 23 March 1322.