Heyford Manor became occupied by the Mauntells. Sir Walter Mauntell died in 1467 (during the Wars of the Roses. He was buried in Heyford Church where his tomb remains. It bears portrait brasses of himself and his wife. His brass shows him in armour. He was descended from Michael Mauntell of 'Rode' and married Elizabeth, daughter of John Lumley (also reputed to be of Heyford). In 1477 his son 'John Mauntell levied a fine of the Manor and 35 messuages in fee-simple'.