Does death negate Kinship titles? for example\: My parents' dead brothers, were they my Uncles pr are they mu Uncles?

I see how their ex- wives are still my aunts. They are my uncles' ex- wives, not my cousins' ex- mothers.

I was told circa Dec. 19th that one of them died in October. My reply was, "If I had known that in October, I would have sent my cousins sympathy cards."