Is John Barbre the father of Allen Barbre and is Allen Barbre's paternal grandfather the same Allen Barbre who played highschool basketball in Deweyville Texas and was married to LouNae Doiron?

Yes, John Barbre is the father of Allen Barbre, who is a former professional football player. Allen Barbre's paternal grandfather is indeed the same Allen Barbre who played high school Basketball in Deweyville, Texas, and was married to LouNae Doiron.