Mary Colebrooke (1863-1951) (1863–1951) Parents Sir Edward Colebrooke, 4th Baronet Elizabeth Richardson Children Lady Mary Byng Lady Florence Byng Siblings Margaret Colebrooke Helen Colebrooke Edward Colebrooke, 1st Baron Colebrooke Roland Colebrooke Partners Edmund Byng, 6th Earl of Strafford