House Dondarrion
House Dondarrion of Blackhaven is a First Man house of marcher lords from the Eastern Marches. They are sworn to House Durrandon. House Dondarrion's seat is Blackhaven, built with black basalt walls and a deep moat that guards the Dornish Boneway.

The Dondarrion sigil is a forked purple lightning bolt on a black field speckled with four-pointed stars. Their words are "Strike Twice, Strike True".
Notable Members
Durran Dondarrion - Founder of House Dondarrion, and Lord of Blackhaven during the reign of King Erich VII Durrandon.