John Charles Moore Grant, 9th Baron de Longueuil British-born French noble (1861–1935) Parents Anna Mary Catherine Trapman Charles James Irwin Grant Children John Joseph Charles Grant Ronald Charles Grant Siblings Hilda Mary Grant Louis William Charles Grant Ethel Katrina Grant Reginald Charles Grant, 8th Baron de Longueuil Frances Caroline Grant Olga Anna Grant Alexander Frederick Grant Charles Colmore Grant unknown daughter Grant Partners Mary Barron