My wife is Jane Bettencourt.She has a Joseph Bettencourt in her tree who I believe was born in the Azores or Portugal and lived in MA..His wife's name was Maria ???.They had 6 children: Anna who married Sidney Alton Silveria Mamie who married ??? Boisvert Rose who Married Thomas ???Rose had 2 children Sammy Frank John Joseph, Sr. who was born about 1903, in Acushnet, MA; died Sep 11, 1940 in Attelboro, MA.
My wife's is a descendant of John Joseph
Let me know if you think this could be the same Bettencourt you are reseaching.