Sutherland said she died due to complications from pneumonia unrelated to COVID-19.

“My mother was an extraordinary woman who led an extraordinary life,” he wrote.

To any families who have lost loved ones unexpectedly to the coronavirus, my heart breaks for you.

Kiefer Sutherland and Rachel Sutherland (Fraternal Twins Born December 21, 1966)

Credit: Galit Rodan/The Canadian Press/AP

just stay safe."

Douglas, who celebrated her birthday three days ago, was married to actorDonald Sutherlandfrom 1966-1971.

They had twins, Kiefer and Rachel.

Douglas enjoyed a long career that began in the 1950s.

She was one of the country’s loudest voices in support of publicly funded health care.

Fans have already begun their tributes to Douglas, including many who remembered meeting her in the past.

“She was extremely pleasant and spoke highly of you.

Losing a parent is like losing a part of yourself.

My thoughts are with you and I wish you peace and strength.”

Another supporter spoke of Douglas' importance in the Canadian entertainment space.

“Kiefer, I loved watching your mom’s work.

Her presence & voice were unmistakable,” Rachel Bee wrote.

Thank you for sharing her with us.

Sending your family love."

Douglas is also survived by her son, Thomas, and Kiefer Sutherland’s daughter,Veep’sSarah Sutherland.