Having the power to see the future is not always a good thing. Even more so when you can't see clearly, but parts and, in the end, it's up to you to fill in the blanks. The problem is when you fill them in wrong and you end up with the worst outcome.
The witch, before being a witch, was just an ordinary woman with ordinary aspirations and lived, for years, a very ordinary life.
When she met the man who would become her husband, there was only happiness. He was affectionate, hardworking and loved her very much. Then came the first child. Hans.
Two years later, she wasn't so happy anymore. Her husband only focused on work and left her alone with the child. He demanded more and more of her and after satisfying himself at night, he would turn over and sleep.
