Jimmy Stewart and Gloria's children included Michael and Ronald McLean (Stewart's stepsons) and twins, Judy Stewart-Merrill and Kelly Stewart Harcourt (pictured above, with their father). Michael McLean keeps a low profile, while Kelly Stewart Harcourt became an anthropologist teaching at the University of California at Davis, per ABC10. Only one of the children followed their father in the entertainment industry; Judy Stewart-Merrill became an actress, starring in "Password," "V.I.P.-Schaukel," and "The Mike Douglas Show," per Dicy Trends. Sadly, Ron McLean's story would end in tragedy.

Per the Jimmy Stewart Museum website, military service was important to the Stewarts, stretching all the way back to the Revolutionary War. Stewart himself served in World War II and retired from the Air Force Reserve in 1968 as a brigadier general, making him the highest-ranking entertainer in Hollywood history. Jimmy Stewart's stepson Ron followed in the family's footsteps and served as a Marine. Unfortunately, he was killed in 1969 while serving in Vietnam, when his unite was ambushed in the DMZ, per History Net.

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