 The family's productions remained prominent throughout two World Wars.Through George Weston Limited and various holding companies, the Canadian branch of the Weston family owns or controls over 200 companies, including Canada's largest supermarket chain, Loblaws.Among their other businesses, members of this branch own or control a number of retailers, including upscale department stores Holt Renfrew in Canada, Brown Thomas in Ireland and Selfridges in the United Kingdom.