In 1928 he married his first wife, the writer Kathleen FitzGerald, and their son Klemi was born that year.
[3] After the war, and following his marriage to second wife Ruth Nadine, he founded the House of Hambourg, an after hours bar and music studio for teaching and recording music which attracted progressive jazz musicians, including Guido Basso, Ed Bickert, Ron Collier, Moe Koffman, bassist Jack Lander, drummer Alex Lazaroff, Phil Nimmons, drummer Ron Rully, Norman Symonds and Don Thompson - and also Dave Brubeck on his visits to Canada.
[4] Operating from five different locations over its lifetime, it eventually closed in 1963, but was an important part of the Toronto jazz scene.
[4] He appeared as the concert pianist in the 1970 Burl Ives film The Man Who Wanted to Live Forever, and in the Canadian television documentary series Here Come the 70s.
[6] Clement's son Klemi became a violinist and teacher and the founding conductor of the Peterborough Symphony Orchestra.