Information about Leeb's parents isn't public knowledge, but it is known that her mother survived breast cancer in 2010.
Having seen the consequences of cancer in her family, the Shadowhunters star timely volunteered in programs to help cancer survivors.
In April 2014, the stunning actress took part in a party that aimed to raise money for breast cancer research. She also modeled for a cover of a book about the disease in May 2017.