The only members of the house to appear or be mentioned are Jate and Omer Blackberry. Jate is captain of the gate at the citadel on Dragonstone.
Jate was killed on the Blackwater. Omer Blackberry was one of the king’s men who assisted Davos Seaworth in smuggling Edric Storm out of Dragonstone before harm can befall him. He is now one of Edric’s guards and protectors in the Free Cities.