The only members of the house to be mentioned are Ser Gareth, Hugh, and Ser Humfrey. Ser Gareth is wed to Jeyne Farman, a sister of Lord Sebaston Farman, while Hugh is a member of the Tyrell household guard and Ser Humfrey is a follower of Stannis Baratheon.
Information about House Clifton that reveals spoilers from the books.