So Lana, you want to debate whether your strongly held beliefs are better than her strongly held beliefs ?
Why do there continue to be thousands of different 'Christian' religions in the world ?
"This woman is highly educated and I would consider an intellect."
The world is full of highly intelligent people that adhere to beliefs and practices that are viewed as nutty by others. In fact, a highly educated person has a greater capacity to juggle concepts and abstract thought and come up with a complicated belief and then defend it against all attacks.
Perhaps you just don't need to 'save' your relative.
Best wishes.