The two were first linked in August 2020 and have been keeping a low profile on their affiar.
"In my friend group, I'm the only polyamorous person, and I have the least sex out of all of my friends," she said
Shirley died “beautifully and peacefully and surrounded by love."
King has had seven wives, and eight divorces including this one.
The pair married in 1990 and are parents to son Matthew, 30, and daughter Emily, 27
Alex Trebek has hosted 8,200 episodes of the popular quiz show, making him one of the most well-known people on television in the US and Canada.