From A Wiki of Ice and Fire
and the location of the Weeping Water river
The Weeping Water is a river in the North. The seat of House Bolton, the Dreadfort, lies along this river.
While hunting along the Weeping Water, Lord Roose Bolton raped and impregnated a miller's wife. The child of the rape was named Ramsay.
A Dance with Dragons
Theon Greyjoy remembers escaping from the Dreadfort with Kyra and stumbling over half-frozen stones in the icy Weeping Water; the escape turned out to be a hunting game devised by Ramsay Bolton.
References and Notes