George-Henri Joyal's grandfather was Pierre Joyal married to Emily Joyal. they were married 11 Jul 1882 St David Yamaska. Pierre was the son of Jean Baptiste Joyal and Marguerite Lauzon. Emily was the daughter of Louis Joyal and Felicite Marguerite Deguire/Desrosiers. (Source Church Register of St David Yamaska and records found at the American Canadian Genealogical Society in Manchester NH)