Mary Maclachlan (died 1935) (1850–1935) Parents George Maclachlan, 21st of Maclachlan Mary Thow Children Sir George Arthur Ponsonby Siblings John Maclachlan, 23rd of Maclachlan William Maclachlan, 22nd of Maclachlan Susan Harriet Maclachlan George Maclachlan Donald Maclachlan Crawford Maclachlan Robert Maclachlan Amelia Helen Maclachlan Colina Maclachlan Partners Robert Charles Ponsonby