From A Wiki of Ice and Fire
Nightsong is the seat of House Caron. The formidable castle is located in the Dornish Marches in the southwestern Stormlands, north of the Prince's Pass and the Red Mountains.
A Clash of Kings
During the Battle of the Blackwater, Ser Philip Foote kills Lord Bryce Caron, ending House Caron. The Iron Throne awards Nightsong to Philip after the battle, forming House Foote of Nightsong.
A Dance with Dragons
The Bastard of Nightsong, the late Bryce Caron's half-brother Rolland Storm, is the pretender Lord of Nightsong.
References and Notes