
Bronislaw married singer Elza Galafres on July 21, 1910 and they had only one son, Johannes (John), born December 1910.
Bronislaw died in Switzerland on June 16, 1947 at the age of 65.
John was a professor at the University of British Columbia. John has since passed away.
John married Barbara Pentland (a renowned composer) and they had a daughter, Joan. Joan married Gordon Payne. They later divorced.