In 1205, Håkon married the Swedish noblewoman Kristina Nilsdotter, whose maternal grandfather was Eric the Saint, and they had a son Knut (c.1208-1261).
Håkon married the Swedish noblewoman Kristina Nilsdotter, whose maternal grandfather was Eric the Saint. This was in 1205. They had a son Knut (c.1208). This was in 1205. C.1208 was 1261.