There's something about Rollo for sure. He's too ambiguous. I thought he was interested in the daughter too, but maybe for whatever plans he has, the mother will be more suitable
Yes, the priest is in the background now, but I've seen some promo pictures for the show at some event and the actor was there with Ragnar and the wife. I think they have a purpose for him. Maybe now that they're going back to England. I haven't seen last night's episode yet, so maybe something happened.
I haven't started GOT yet. It's kind of hard to keep up with so many shows