The Dingell Family of Michigan has the longest consecutive service in the House of Representatives. Combined, they have 81 years or service between John Dingell, John Dingell Jr. and Debbie Dingell.
John Dingell represented Michigan’s 15th Congressional District from 1933 to 1955; however, his son, John Dingell Jr. is the longest serving Member of Congress, serving for 59 years and 21 days. His wife, Debbie Dingell, ran for his seat after he retired. She has been representing Michigan’s 12th Congressional District since January 2015.