Complex sentence: He is the second-oldest of the couple's ten children, and was raised in the Wrightville district of Hull (now Gatineau) and in Laval, just north of Montreal.
Split into simpler sentences: He is the second-oldest of the couple's ten children. Mulcair was raised in the Wrightville district of Hull (now Gatineau) and in Laval, just north of Montreal.