False
James Stewart was married twice.
On August 9, 1949, Gloria Rankin Stewart (née Hatrick, formerly McLean ; March 10, 1918 – February 16, 1994) became the second wife of actor James Stewart.
Stewart, who adopted both children from her first marriage, Ronald, then age five, and Michael, age three. Together, she and Stewart had twin daughters born on May 7, 1951:Judy and Kelly. Kelly Stewart became an anthropologist. It was a happy marriage.

Cary Grant was married five times, three of them elopements, with actresses Virginia Cherrill (1934–1935), Betsy Drake (1949–1962), and Dyan Cannon (1965–1968), with whom he had his only child. Barbara Harris was his fifth and final wife. They wed on April 11, 1981, when Grant was 77 and Harris was 30. Their marriage lasted until Grant’s death from a stroke on November 29, 1986
Grant's biographer Graham McCann claimed that his mother, Elsie Maria Kingdon Leach "did not know how to give affection and did not know how to receive it either.” Biographer Geoffrey Wansell notes that his mother blamed herself bitterly for the death of Grant's brother John,and never recovered from it. Grant acknowledged that his negative experiences with his mother affected his relationships with women later in life.
Elsie's life was marked by tragedy. She blamed herself for the death of Grant's brother John, which affected her emotional availability. When Grant was nine, his father placed Elsie in Glenside Hospital, a mental institution, and told young Grant she had gone on a long holiday, later claiming she had died. This sudden disappearance left Grant feeling abandoned, hungry, and alone, profoundly shaping his childhood and later relationships. He did not reunite with her until adulthood, at age 31, after he had already established his Hollywood career. He had her placed in a higher-level mental institution, visited her regularly and financially supported her.