Trudeau 's maternal great - grandfather Thomas Bernard was born in Makassar .
Trudeau 's maternal great - grandfather Thomas Bernard was immigrated to Penticton , British Columbia , in 1906 at age 15 with his family .
Trudeau 's maternal great - grandfather Thomas Bernard was born in Makassar and immigrated to Penticton , British Columbia , in 1906 at age 15 with his family .