The bloodlines of Anárion and Isildur were reunited by the marriage of Anárion's descendant, Fíriel of Gondor, with Isildur's descendant, Arvedui of Arthedain.
Arvedui |
In T.A. 3019 he was crowned King Elessar of the Reunited Kingdom of Gondor and Arnor (Aragorn was an descendant of Fíriel, a princess of Gondor who married prince Arvedui of Fornost a few generations before the line of the kings of Gondor ended).