House Forrester are bannermen to the Starks of Winterfell. Their seat is Ironrath, on the edge of the Wolfswood. They control Westeros's supply of ironwood. Most importantly, this completely unknown, yet fully canonized (as per A Dance with Dragons) house has just been announced as the protagonists in Telltale Games Game of Thrones title, called Game of Thrones - A Telltale Games Series.
The first real details were revealed today on www.telltalegames.com/blog/. The game's setting is during the War of Five Kings (even though technically one king was dead before the fifth was crowned, the maesters call it that nonetheless), and will follow multiple protagonists from House Forrester who are spread all over Westeros and Essos.
The opening episode of six is called Iron from Ice. No release date has yet been revealed, but when it's out, it will be out on every gaming platform under the sun.
For full details, visit www.telltalegames.com/blog/.