Source: From Under Ice, pg(s). 3
Naldak is King Gutheran's youngest son. Around 1600 AR, he fled with a group of dwarves from Jormurdun, and founded the dwarven town of Naldak's Point. His father entrusted him with a piece of the Sky Key to Jormurdun, which has been passed on to Naldak's descendants since his death.