Malgoire Cadieux looking for brothers

My father was Malgoire Cadieux born Oct. 23, 1914 or 1912. born and died in Ontario.He married Alexina MacDonald.He had brothers with the following names.
1.Laurence married Mildred
children wer Wayne, Leo, Judy thompson, Elsie.
2.Alphonse married Alvina No kids
3.Wilfred maarried?
Children:3 girlsLeona and geraldine and ??one boy Gerard
4. John married Marion No Kids
5. Edgar 1 boy named Ourel and a girl named??
It is thought that Laurence is the only one still Living.whereabouts unknown.His daughter Judy thompson resides in Edmonton, Alberta, Canada.
I do not know who his sisters were any information on this branch would be helpful
Carolyn Gendron (cadieux)