Diefenbaker House
Acorn by The Right Honourable Prime Minister of Canada John Diefenbaker and his then wife Edna Diefenbaker . 
<triplet> John Diefenbaker <subj> Prime Minister of Canada <obj> position held <subj> Edna Diefenbaker <obj> spouse <triplet> Edna Diefenbaker <subj> John Diefenbaker <obj> spouse