 Dunch died on 31 May 1719 and was buried in the family vault at Little Wittenham Church on 4 June, near Wallingford, in Oxfordshire (then Berkshire), in the village where the family had had their seat for over 170 years.Many of Edmund's forebears had been parliamentarians, particularly representing Wallingford.William Dunch, auditor to the Mint for Henry VIII and Edward IV, represented Wallingford (1563), and was High Sheriff of Berkshire (1569–1570).