From A Wiki of Ice and Fire
|Book||The World of Ice & Fire (mentioned)|
Belthasar Bolton was a member of House Bolton who participated in the Rape of the Three Sisters.
The Chronicles of Longsister state that during the Rape of the Three Sisters by the Kings of Winter, Belthasar had a Pink Pavilion made from the flayed skins of one hundred Sistermen.
- ↑ 1.0 1.1 The World of Ice & Fire, The Vale.