 He married Margaret, the sister of George Puttenham, the reputed author of 'The Arte of English Poesie'.She had links with the influential Grey family of Leicestershire.Sir John was MP for Leicester (1545), Camelford (1547), Warwick (Mar 1553), Old Sarum (Oct 1553) and then four times for Coventry (1554, 1555, 1558 and 1559).