This is quite emotional, I believe the definition of dead beat parenting spans diversely and most people experienced it differently. In my case my father and mother had a difficult marriage, they fought each other for 20 years, neglecting we the children, it was a toxic marriage and it's impact in my life altered a whole lot. It's great to see that your father's life never was never negatively influenced by your grandfather. As parents it's important we do better for our children irrespective, it's important