Rep. John Dingell became longest-serving member of Congress on Friday . His longevity record eclipses that of the late Sen. Robert Byrd of West Virginia . Dingell 's record eclipses that of former Sen. John Dingell Sr. of West Virginia . Contrast that with 80 years that Robert Byrd served to finish Dean Barkley 's term . Dingell and his father , Robert Byrd , served a total of 80 years in Congress .
Rep. John Dingell became longest-serving member of Congress on Friday . Dingell 's record eclipses that of former Sen. John Dingell Sr. of West Virginia . Contrast that with 80 years that Robert Byrd served to finish Dean Barkley 's term . Dingell and his father , Robert Byrd , served a total of 80 years in Congress .