Notable Extinct Houses

The following houses have become extinct:

(Or so we are led to believe...)

• House Arryn
• House Blackwood
• House Bolton
• House Grafton
• House Greyjoy
• House Hightower
• House Lefford
• House Manderly
• House Royce
• House Tully
• House Tyrell
• House Umber
• House Yronwood