Joseph Royal, 1837-1902, was born in Quebec and studied as a lawyer. He moved to Manitoba in 1870, served as Lieutenant-Governor of the North-West Territories from 1888 to 1893, and then returned to eastern Canada. In 1857 he married Agnes Bruyere and they had several children including Emma Royal.
Severe Gagnon, 1845-1909, was born in Quebec, and studied law before joining the North-West Mounted Police in 1874. He was stationed at Fort Saskatchewan, Battleford (during the 1885 Riel Rebellion), Regina and Prince Albert before he took sick leave in 1900. In 1888 he married Emma Blanche Royal, 1866-1947, who was born in Montreal. They had a son, Henri Gagnon.
Henri Gagnon, 1892-1947, was born in the NWMP barracks in Regina. He was educated in Montreal, joined the military in 1911 and served overseas during the First World War as Commanding Officer of the 69th Battalion (French-Canadians). In 1919 he married Helen Johnston in Scotland, and they had one child, Suzanne Gagnon. He joined the Royal North-West Mounted Police in 1920 and over his 27 year career was stationed in Regina, Vancouver, Fort Smith, Montreal and Quebec. In 1943 he was promoted to Superintendent of the RCMP and in 1946 to Deputy Commissioner. He was expected to become Commissioner but died before taking up this post.
Helen Johnston Gagnon, 1901-1984, was born in Scotland. In 1919 she married Henri Gagnon, who was stationed in Scotland at the end of the First World War, and the couple returned to Canada shortly after. They had one daughter, Suzanne Gagnon.
Suzanne Gagnon, 1921-1999, was born in Regina, and educated in Quebec City and Winnipeg. She served in the Women's Royal Canadian Naval Service during the Second World War before obtaining a BA from McGill University. She married William McIlhagga in 1965.