Michael Douglas' Dad Kirk Took Care of Catherine Zeta-Jones In His Will

Michael Douglas' dad, Kirk Douglas, made sure the actor's wife, Catherine Zeta-Jones, was taken care of in his will before he died ... TMZ has learned.

TMZ obtained the trust documents executed by Kirk, who died in 2020 at 103, and his widow, Anne Douglas, who died in 2021 at 102 ... and they lay out which family members inherited the various parts of their massive estate.

Kirk had four kids: Michael, Eric, Joel, and Peter Douglas ... and his grandkids are also beneficiaries of the estate.