Sorry for your loss. My prayers for your son and the family during this loss. I lost my mother to cancer as well as my older sister and I hate that horrible disease.
I just got a message from my son that his wife passed away. She had been battling Lymphoma as well as other cancer, and she is now at peace.
I have attached a photo of them in happier days.
I am so sorry for your son's loss and the loss to the whole family. I can relate as I lost my wife the same way a couple years ago. Your son will need you in his life more than ever now.