Originally Posted by BloodoftheKings
Apparently he had kids with that woman before he went to jail. Varg's oldest son that will be playing young Varg in the movie is a teenager.
I might be incorrect here, but I believe he also fathered a child (maybe more) while still serving time. The Norwegian prison system is very different from the USA (and actually focused on rehabilitating people) so he had plenty of oppurtunities to leave and visit his wife for things like that.