The same happened to me Ceesnan 3,7, and 10 not a birthday card not a christmas card not a penny and like your sister not a penny in the bank I left the children to make their own minds up, my eldest had a vague relationship, met him a few times with very little interest on his part and was disappointed every time, my son didn't even want his name spoken and my youngest met him once in 40 years. He has since died and nothing has changed.
If someone abandons you the abandonment doesn't improve when they die.
How do you acknowledge Easter.
Is anyone interested in the terror attack in Moscow?
Exploratory Essay Help: Navigating the Uncharted Territory of Writing