e/Longest living United States Senator

Information
has gloss	eng: This page contains a list of the eldest United States Senators among those currently living (sitting or former) and a list of the individuals who, at the time of their deaths, were the longest-lived United States Senators among those current or former senators then living. Of those living, the longest-lived senator is Harry F. Byrd, Jr., and Robert Byrd is the longest-lived sitting senator.
lexicalization	eng: Earliest living United States senator
lexicalization	eng: Longest living United States Senator
instance of	c/United States Senators