Robert, who was arrested for violating a restraining order in Nov. 2025, was released from jail earlier this month.
Mary Cosby and her husband, Robert Cosby Sr., shared one son, Robert Cosby Jr. Following his heartbreaking death in 2026, learn more about her family here.
Losing an adult child can "disrupt the expected life sequences," experts say, and cause grief to show up in unconventional ways.