In the series A Song of Ice and Fire, who is the founder of House Longwaters?
The founder of Longwaters is only known as a knight and son of Ser Jon Waters. He is only known as Longwaters.
<START_INST>In the series A Song of Ice and Fire, who is the founder of House Longwaters?<END_INST><START_CTX><END_CTX><START_A>The founder of Longwaters is only known as a knight and son of Ser Jon Waters. He is only known as Longwaters.<END_A>