Most people will be on the defense when they perceives that they are being "Judged" thus it may take sometime for them to see that you are genuinely trying to help.
With your mum having their contact is a good start, it will be good to make friends with them and from there on, find an angle to assist them. If it is too much of a hassle, you may want to introduce them to MASS, we will be able to assist.