William Johnston Tupper
He was called to the Manitoba Bar in 1886 , and worked in a Winnipeg law firm with Hugh John Macdonald , son of Prime Minister John A . Macdonald . 
<triplet> Hugh John Macdonald <subj> John A. Macdonald <obj> father <triplet> John A. Macdonald <subj> Hugh John Macdonald <obj> child