Board Thread:Wiki-Related Discussion/@comment-6302057-20141122060021/@comment-6302057-20141202040802

Hans, his brothers and the Duke are characters of the Realm of Arendelle, just from different kingdoms within that realm. Think of all the kingdoms and locations in Frozen being in the Realm of Arendelle in OUAT. This is why my list will work, to remove confusion (but I know that we have to wait for official confirmation before we can add it).