Powys-Lybbe Forbears - Person Sheet
Birth11 Jun 1774, Parish of St Geo Han Sq
Death20 Jun 1843
General2nd dau. m.(2) Richard Graves on 20 June 1843.
Spouses
1Edward Jervis Jervis Viscount St Vincent [60, St Vincent art, Vol XI, pp. 369-372], [27, 1871, Ricketts article, p. 1168], [17, 1715-1886, p. 1198], [3, His death, Q3 of 1859, Stone dist, vol 6b, p. 18]
Notes for Mary Cassandra Twistleton
I cannot find her death record on FreeBMD.