After high school, he worked as a spot welder in a Lincoln automobile plant and took night courses at Wayne State University. He enlisted in the Army in 1950, served in Korea as a second lieutenant and was discharged in 1954. He returned to Wayne State, earning a bachelor’s degree in 1957 and a law degree in 1958.
From 1958 to 1961 he worked as a legislative aide to Representative John D. Dingell Jr., who in 2009 became the longest-serving member in the history of the House. He worked in state government and as a lawyer until running for Congress in 1964.
Information on survivors was not immediately available.
A longtime bachelor, Mr. Conyers, at the age of 61, married Monica Esters, a 25-year-old former staff member, in 1990.
Monica Conyers had a short-lived political career of her own. She was elected to the Detroit City Council in 2005 and became its interim president in 2008. In 2009 she was convicted of taking a bribe and resigned. In 2010 she was sentenced to 37 months in prison. There was no suggestion that her husband was involved.
Mr. Conyers was known as a spiffy dresser. In January 2010, GQ called him one of the “District Dandies.” This “clotheshorse,” the magazine said, “knows a nailhead from a hopsack, digs double-breasteds, and favors patterned shirts and ties. He’s a lifetime sartorial achiever.”
One of Mr. Conyers’s enduring interests was jazz. He played the cornet in high school and haunted Detroit jazz clubs. A lover of John Coltrane, Miles Davis and Charlie Parker, he hosted a jazz program on a Washington radio station in the 1970s. In 1987 he got Congress to pass a resolution designating jazz as a “national American treasure.”
Adam Clymer, a reporter and editor at The Times from 1977 to 2003, died in 2018. Mariel Padilla contributed reporting.