House Haigh

House Haigh is a knightly house from the Riverlands sworn to House Frey.

Season 4
Davos Seaworth reports to Stannis Baratheon he has managed to secure the support of some noble houses, among them House Haigh.

In the books
In the A Song of Ice and Fire novels, House Haigh is a loyal vassal of House Frey. Their sigil is a black pitchfork on a golden bar sinister on russet. They participate in the Red Wedding, fighting on the side of their liege lords.