Hi Jesse this is David Azbell Jr. Yes your fathers name was Dennis. My grandpa name was Donald (aka Don) Azbell. Your grandpa name was Henry. Which he was my great grandpa. He did live in Tucson until. Him an your grandma move back to phoenix. You grandpa is not the guy that other person was looking for. Great grandpa Azbell was in is early 90s late 80s when he passed away. Even as of today if he wad alive he would not be 100 or older.