Margaret Thynne (1883-1963) (1883–1963) Parents Arthur Thynne Gwenllian Kendall Children Benedict Beresford Stephen Beresford Siblings Sophie Thynne William Thynne Mary Thynne Denis Thynne Grace Thynne Hugh Thynne Anne Thynne Arthur Thynne Richard Thynne John Thynne Partners Sir George Beresford