Roger de Mowbray, 1st Baron Mowbray (1254 – 21 November 1297), was an
Englishpeer and soldier.
The son of another Roger de Mowbray, and grandson of
William de Mowbray,[1] he served in the
Welsh and
Gascon Wars. He was summoned to the Parliament of
Simon de Montfort in 1265, but such summonses have later been declared void. However, in 1283 he was summoned to Parliament by
King Edward I as Lord Mowbray.[2]