heather....
I am saddened and horrified. I cannot imagine what is going through your sister's mind now.
Our family went through this lesson 16 years ago. I know my JW dad treated my little brother, never baptized, badly. The last time they were together (my brother was a teenager), they had a heated argument (about what, the fog of time has wiped out) dad threw him off the porch step and dislocated his shoulder. That weekend, my dad went on vacation and died of heart failure. That was their last words and actions. My little brother lives with this to this day. Fu*ked him up more than he already was. My JW mom and dad argued (about my brother) the night before he died...in the morning dad was dead. Screwed up my JW mom too. My JW dad was an ass to his family and was judgmental as hell...much like your sister.
I use this lesson with my 9yo (soon to be) step son. I tell him and his mom (never JWs) never let the last words we say to each other before going to sleep or parting ways to go to school or work be harsh. Always let them be "I love you." Unconditionally. We have been together a little over a year. It is words the three of us live by.
I hope your sister learns from this harsh life lesson and that your nephew did not die in vain.
(((heather))) RIP DAVID....
Snakes (Rich )