As Anna, Elsa, Sven, Kristoff, Olaf, and the other villagers skated after the Great Freeze, A young man bumped into Elsa, knocking her down. When she looked up, she saw a handsome young man. He was dressed well, but was not a prince. She figured he must be part of the Upper Class. The Young man apologized and helped Elsa up. She asked for his name. "Oh, pardon my manners your highness. My name is Frederick Mason." he said with a bow. When he came up to look at her again, their eyes locked and they fell deeply in love.
The wedding was held a year later, and shortly after that, Elsa became pregnant with her first child. She was terrified that because of her powers that something would happen to the child. But 9 months later she gave birth to a beautiful daughter who was perfectly healthy. They named her Mia. In the years following she had 2 more children, first John, then Louis, both boys. Surprisingly, none of the kids had ice powers.
However, when he was 5 years old, making Mia 7 and Louis 4, John caught the bubonic plague, which also knocked out ⅓ of Arendelle citizens, and died. Devastated, Elsa and Frederick mourned their son, along with Kristoff and Anna who had nearly lost 6 year old Sara, but she and their son Andrew, 3, survived.
Anna convinced Elsa to try for one more child. Elsa agreed, and 9 months later little Alice was born, a little on the small side, but perfectly healthy. Mia, Louis, and Alice grew up and had kids of their own.
Fast forward now from the Middle Ages to the year 1997. Molly Adams, a descendant of Elsa's is a Marine Biologist meets Mark Sanchez, a professional surfer. they live in Hawaii, USA. They fall in love, get married, and on June 21, 2001, the day summer begins they had a baby girl named Coral Grace Sanchez. Her eyes are sea blue, and her hair is so black that in some lighting it looks blue. Coral cried nonstop until the nurses gave her a bath. When she was placed in the water, Coral was immediately soothed.