I think about the children a lot and wonder how they are dealing with the situation. After all of this time, perhaps their grandmother has decided to tell them the truth about what’s been going on. For the older ones at least, I think they would be most curious and questioning.
They had to have witnessed his controlling, egotistical nature and his rage, perhaps against their mother.
I think if I were in the grandmother’s position and if I knew that the children were aware of their parent’s volatile relationship, I would tell them the truth. Kids know more than we think and it would help them emotionally, especially with professional counseling, to begin their journey of grief. JMO