[Sephiroth]

At the Battle of Sudden Flame:

Before the walls of Eithel Sirion fell Hador the Golden-haired, defending the rearguard of his lord Fingolfin, being then sixty and six years of age, and with him fell Gundor his younger son, pierced by many arrows; and they were mourned by the Elves.

The Silmarillion, Of The Ruin of Beleriand p. 152