 His fourth daughter is Margaret Joan Trudeau née Sinclair, one-time wife of the 15th Canadian Prime Minister Pierre Elliott Trudeau and mother of 23rd and current Canadian Prime Minister Justin Pierre James Trudeau (his second middle name is for Sinclair), Alexandre Trudeau and Michel Trudeau.Many, including 20th Canadian Prime Minister Jean Chrétien and Justin Trudeau himself, have noted the family resemblance in physical appearance and political skill between Sinclair and Justin Trudeau.Sinclair is also the namesake of Xavier James Trudeau (b. October 18, 2007; Montreal), son of Justin Trudeau and Sophie Grégoire Trudeau.