This coat of arms was created by Mboro, based on information in the novels.
In polish heraldry there is the Borch (aka Three Jackdaws) coat of arms, but shows silver tincture and little different design of birds (2 on 1 instead of 3 in line) in comparison to described one in the novels.
Image of Borch coat of arms (by Steifer) in Wikimedia Commons: click !
- Adam Kromer's "Witcherland" heraldry suggestions used.
- Image of french community Biran coat of arms (by TomKr) from Wikimedia Commons has been used.