|House Flint of Breakstone Hill|
|Seat || Breakstone Hill|
|Current Lord || Possibly extinct|
|Region || North|
|Overlord || House Stark|
House Flint of Breakstone Hill was a noble house who ruled from Breakstone Hill in the north.
The Breakstone Flints were First Men kings after the Long Night who were eventually defeated and reduced to vassals by the Kings of Winter, House Stark of Winterfell. The Breakstone Flints have not been mentioned in A Song of Ice and Fire and are possibly extinct. It is also possible they are House Flint of the mountains, who claim to be the First Flints.