Probate wills of Dr Francis Philip Duval, Mary Ann Duval, and the Rev Philip Duval Probate will of Dr Francis Philip Duval, of St Marylebone, Middlesex, 1764, proved (PCC) 1768 (translated from French), with deposition as to the testator's handwriting; probate will of Mary Ann Duval, widow, 1776, proved 1799; and rough draft (autograph) of the will of the Rev Philip Duval, Canon of Windsor, 1807 (date of death March 1808). Late 18th-early 19th century