"Diefenbaker" has three usages of interest:
1. John George Diefenbaker, the 13th Prime Minister of Canada.
2. Lake Diefenbaker, named after No 1.
3. Diefenbaker the wolf-hybrid pet of Constable Benton Fraser, the main character of the Canadian television series "Due South."
John Diefenbaker's birth name is Diefenbaker, John George.
Diefenbaker enjoyed sewing
Diefenbaker House was created in 1975.
Edna Diefenbaker died in 1951.
Edna Diefenbaker was born in 1901.
Diefenbaker Bridge was created in 1960.
John Diefenbaker was born on September 18, 1895.
Olive Diefenbaker was born on 1902-04-14.
John Diefenbaker was born on September 18, 1895.
Olive Diefenbaker died on 1976-12-22.
I presume you mean 'who' is a famous Canadian. Mr Diefenbaker was a famous Canadian.
The Right Honourable John George Diefenbaker did not have any children.