I am saying that the grandparents, aunts aunts and uncles will walk on eggshells around their daughter and grandchildren and try to figure out how to lead their grandchildren to embrace Judaism proudly. This will cause alienation in the family and if they succeed it will introduce a separation between the mother and her children on one hand and the father on the other.
If you aren’t practicing, what are you walking on eggshells about? Would you rather your grand kids go to mass every week with a full spiritual life or go to Temple twice a year?
We believe in the same God. It’s not like I’m asking her to deny her belief in God.