Dr. Bertold Weisner
https://www.cbc.ca/radio/docproject/how-a-toronto-woman-discovered-she-has-up-to-600-half-siblings-1.5727049
Dr. Bertold Weisner
https://www.cbc.ca/radio/docproject/how-a-toronto-woman-discovered-she-has-up-to-600-half-siblings-1.5727049