House Mormont is a noble house from the North in the fictional world of Westeros, created by George R.R. Martin. They are sworn bannermen to House Stark and reside on the island of Bear Island. Known for their fierce loyalty and strong-willed members, the Mormonts have a reputation for bravery in battle. The sigil of House Mormont features a black bear on a green field, symbolizing their strength and resilience. The house motto, "The bear is strong," reflects their determination. Notable members include Lyanna Mormont, a young and courageous leader who gained fame during the War of the Five Kings.