Aurora and Kristoff: After years of being married to prince Phillip they have a baby boy named Kristoff and when he turned seven he sneaked out to see the ice workers working. He stumble upon a cute little reindeer on the way and he named Sven, to always know that it's Sven he put a necklace made up of a boot lace on him. He watches the ice workers working (as seen in the beginning of the movie) then heads home sort after. After years and years he becomes of age and is forced to become King and to be married. He ran away and once again stumbled upon Sven... how did he know it was Sven, Because of the boot lace necklace! He lived for 2 year on his own with Sven and then one day ran into Anna at the little shop in the forest. Then the frozen story began!