Frances Twysden (born 1763) (b. 1763) Parents Sir William Twysden, 6th Bt. Mary Jervis Children Sir William Moore Lady Mary Montgomerie Lady Susanna Montgomerie Siblings Sir William Jervis Twysden, 7th Bt. Thomas Twysden Heneage Twysden Partners Francis Moore Archibald Montgomerie, 11th Earl of Eglinton