How did Michael Wayne and Antonia Toni Wayne die?

Michael Wayne and Antonia "Toni" Wayne, the son and daughter of actor John Wayne, both died due to health-related issues. Michael Wayne passed away in 2003 from cancer, while Toni Wayne died in 2000 from complications related to a long-standing illness. Their deaths marked the loss of two members of the Wayne family, who had been involved in various aspects of the entertainment industry.