jeezo, sounds like her mums a complete baird! Only one thing you can do IMO...Tell Sarah if she wants to go out with you then your having nothing to do with her family and dont wish to speak to/see them in light of their behaviour, if she likes you and understands then sorted but if she takes their side and thinks they are in the right then theirs your answer!
Personally to me it sounds like way too much grief!
