A moratorium is in effect on adding information from Fire and Blood until December 20th.
From A Wiki of Ice and Fire
|Coat of arms||
A black sword upright between four black horseshoes on gold, a grey-green border|
(Or, between four horseshoes a sword erect sable all within a bordure vert-cendrée)
House Stark (AGOT)|
House Bolton (ADWD)
House Ironsmith at the end of the third century
During the timespan of the events described in A Song of Ice and Fire no member of the house has appeared yet.
- The Citadel. Heraldry: the North