Son of John Joseph Patrick Ryan, later known as the actor Jack Lord, and his first wife, Ann Cicely Willard. He died of virus hepatitis at age twelve. This is confirmed in the 2018 biography "Jack Lord: An Acting Life" by Sylvia D. Lynch. She notes that this is the cause of death listed on his death certificate, with cardiopulmonary failure as a secondary cause. The informant was his mother, Ann Willard Ryan.
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