He loaded a ship with his clan's belongings, which consisted of millions of credits worth of cortosis ore, and headed to the far reaches of the galaxy, looking for his "perfect" planet. Driven eastward by claims of an unspoiled moon in the Outer Rim, the chieftain wasn't even aware his ship was passing near the Maw when he suddenly blinked out of existence.
Despite the fact that popular theory contends the ship, and therefore its treasures, fell victim to a black hole, this hasn't deterred the large number of treasure-hunters who risk the Maw's fatal embrace each year, intent on finding the Askajian ship intact.