From A Wiki of Ice and Fire
Hallis Hornwood, known as Mad Hal, was a member of House Hornwood during the Dance of the Dragons.
Hallis accompanied Lord Cregan Stark south to King's Landing during the Dance of the Dragons. After war's end, Hal and Timotty Snow founded the Wolf Pack, a free company which sailed from Westeros for the Free Cities.
- ↑ Fire & Blood, Under the Regents - The Hooded Hand.