Yes he was her husbands.
Her first husband, Jim Dougherty was a police officer. Her second husband, Joe DiMaggio, was a retired baseball hero and her third husband, Arthur Miller, was a well respected playwright.
Arthur Miller was an American playwright and ex-husband of Marilyn Monroe. He is known best as the writer of The Crucible and Death of a Salesman.
Joe Dimmagio was Marilyn monroes 2nd husband
In reality Joe De Maggio was Marilyn Monroe's first husband.
Marilyn Monroe's last husband was playwright Arthur Miller. They were married from 1956 to 1961.
In reality Marilyn Monroe, real name Nancy Cusumano married twice her first husband was Joe Di Maggio and her second husband was the playwright Arthur Miller.
Joe Dimaggio
Joe DiMaggio.
Niagara
He was also a poet, actor and businessman. And a husband and father. And a genius.
Marilyn monroe had only two husbands, she had a child, Nancy, before her fame, but she was not married at the time, when she signed with the studios they made up a fake husband, and changed her age and name as they do with all actresses. She then later married the first time to Joe De Maggio, and after divorcing him, married Arthur Miller her second husband, this is documented in newspaper articles, and can be found under Marilyn monroe foundation on facebook. And in many other books, and articles.
Remarries a few years after her husband's execution.