E&A's parents

elsa and anna and kristoff,olaf and sven all went on a trip to an island which is also a kingdom called Northsea side and then when they got off the ship they were introduced to the king and queen of Northsea side and it ended up being their dead parents who were actually alive since Arendelle thought that the king and wueen of Arendelle had died in sea since the were never found until the group of arendelle Elsa,anna,kristoff,olaf and sven went to the unknown kingdom and it was anna and Elsa's parents ruling it