Hugh Capet is the namesake of the French Capetian dynasty, the longest lasting one in French history, with an unbroken line of kings, from 987 to 1328. His descendants have been traced, even in America. It may be difficult to believe, but the records are there.
Hugh (c. 939-996) is the namesake of the Capetian dynasty, the first king. The Capetians reigned in an all-male succession to 1328. Through collateral lines his descendants ruled up to and after the French Revolution. Text of the oath he swore at his coronation is included.