Growing up in the Northern Water Tribe , Tonraq served as the Northern military 's general in his youth .
Born as the heir to the Chief of both Water Tribes , he is the older brother of Unalaq .
Growing up in the Northern Water Tribe , Tonraq served as the Northern military 's general in brother 's youth .
Born as the heir to the Chief of both Water Tribes , he is the older brother of Unalaq .