What was the name of the father of XXX?
John de Mowbray, 2nd Baron Mowbray
John de Mowbray, 2nd Baron Mowbray (4 September 1286 -- 23 March 1322) was the son of Roger de Mowbray, 1st Baron Mowbray.
Roger de Mowbray, 1st Baron Mowbray