Brædfætmann was born in Khazdul-dum. Due to his ancestor, Narvi, his family was respected by the Dwarves, which made his great grandfather Lord of Erebor. And he succeed the title. He crafted a Mithril Shockwave-axe when he was 8 years old, which the Dwarves was shocked. He was appointed as the Head of Erebor's Crafting and Mining department after that. At that time, the Dwarven fortress and walls are still made of wood, he led a group of 300 strong men and rebuilt them all with solid rock and silver. Also, he expanded the crafting and mining hall inside the mountain.