Lady Tremaine

Lady Tremaine and her daughters, along with the Grand Duke, are banished from the kingdom. The Fairy Godmother tells us that Ella and Kit got married, and they were the most beloved rulers that ever lived in that kingdom. She adds that one can learn from Ella's ability to see the world as it could be, with courage, kindness, and a bit of magic.

Lady Tremaine might have continued to live on the estate and try to find marriages for Drizella and Anastasia. But in all likelihood, with being out of favor with the King and Queen, she would probably choose to relocate and start fresh. If they didn't kick her out. oder come up with some plan to get revenge on Cinderella.