Complex sentence: Born in Montréal, Quebec, the son of Désiré Girouard, he graduated from the Royal Military College of Canada in Kingston, Ontario in 1886 and was commissioned in the Royal Canadian Engineers in 1888.
Split into simpler sentences: Born in Montréal, Quebec, the son of Désiré Girouard, he graduated from the Royal Military College of Canada in Kingston, Ontario in 1886. He was commissioned in the Royal Canadian Engineers in 1888.