William Fitzwilliam James Dundas (1860-1945) (1860–1945) Parents John Dundas Margaret Matilda Talbot Children Robert Bruce Dundas Geoffrey William Seymour Dundas Margaret Beryl Dundas Janet Elizabeth Dundas Mary Gwendolen Dundas Siblings Lady Harriot Emily Dundas unknown son Dundas unknown son Dundas Lady Alice Dundas unknown daughter Dundas unknown daughter Dundas Lady Laura Octavia Dundas Lady Mary Dundas Cospatrick Thomas Dundas John Dundas Lawrence Dundas, 1st Marquess of Zetland Partners Mary Maud Prinsep