White Moon-and-falcon on a sky-blue field & 'As High as Honor.'
The Seat is The Eyrie and Lord of the Eyrie, Jon Arryn was Warden of the East and Hand of the King during Robert Baratheon's reign.
3-Headed dragon breathing flames, red on black & 'Fire and Blood.'
House Targaryen ruled as the kings of Westeros for nearly 300 years. Their seats were the capital city of King's Landing and the island castle of Dragonstone
Grey direworlf on a white field & 'Winter is Coming.'
House Stark is the principal noble house in the North. Their seat is Winterfell.
Golden lion on a field of crimson & 'Hear me roar!'
House Lannister is the principal house of the Westerlands with the principal seat at Casterly Rock. An unofficial motto states, 'A Lannister always pays his debts.'
Crowned black stag on a field of gold & 'Ours is the Fury.'
The Seat of this House is Storm's End. King Robert Baratheon made his younger brother, Renly Baratheon, the Lord of Storm's End when he took the Iron Throne despite his older brother Stannis Baratheon's better claim to the seat.
Golden kraken on a black field serves as their sigil, and their words are 'We Do Not Sow.'
The seat of House Greyjoy is the Pyke on the Iron Islands. The House descends from the legendary Grey King in the Age of Heroes. The Greyjoys became Lords Paramount of the Iron Isles after the Targaryen conquest, when Aegon I allowed the Ironborn to choose who would have primacy over them. They chose Vickon Greyjoy and his line.
Silver trout leaping on a blue and red striped field & 'Family, Duty, Honor.'
House Tully is the principal house in the riverlands; many lesser houses are sworn to them. Their seat is at Riverrun.