I am keeping you and your daughters in my thoughts and prayers. I do hope that the situation w/your daughter can be taken care of very soon as I know she's an active young lady who loves sports and horseback riding.
As for your xh...it's the holidays and they do come out to play, whether it be in a positive tone or a negative, they do make their presence known. It's very evident that she's attempting to manipulate someone into persuading the girls to contact her...unfortunately, everyone is saying the same thing, i.e., it's the girls decision as to whether they want to be in touch w/her or not. She can't accept the consequences of her actions.
Please let us know how your daughter is doing. We are all praying for her.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.