I could portray a women who seduced the husband and opened the secret door for the assassin to kill the monarch, propelling the children to take command is the kingdom. The assassin escaped but didn't and languish in the dungeon- But I can identify the assassin. He's not likely to be fond of that
Was this intended to be a "one on one"? Being that this is the group section I figured you were looking for all sorts of roles like Chamberlain, Captain of the guard, ambassadors and the like.