Beleg was the son and heir of King Amlaith of Arthedain and came to the throne in TA 946 at the death of his father. During his reign, Hobbits were first seen west of the Misty Mountains, entering Eriador. Most of them were Harfoots. Also during his reign Sauron returned to Mirkwood, his first return to Middle-earth since the end of the Second Age.
Beleg died in TA 1029 at the age of two-hundred and eighteen after ruling for eighty-three years and was succeeded by his son Mallor.
|Kings of Arnor & Kings of Arthedain|
|Arnor:||Elendil | Isildur | Valandil | Eldacar | Arantar | Tarcil | Tarondor | Valandur | Elendur | Eärendur|
|Arthedain:||Amlaith | Beleg | Mallor | Celepharn | Celebrindor | Malvegil | Argeleb I | Arveleg I | Araphor | Argeleb II | Arvegil | Arveleg II | Araval | Araphant | Arvedui|