Barnes stated in his testimony from the presidents commission on organised crime back in 1985 that he wasn't really sure what family madonna belonged to but that he mentioned a few names.perhaps he didn't associate with one family in particular back then.
It's more probable that he just didn't care enough to find out. And even law enforcement misidentified family members back then. For instance, it wasn't all that uncommon to see a Gambino listed as a Genovese, or vice versa, on an FBI file back then.
And I'm sure that to Nicky Barnes, Matty was just one of the Eye-Talians. And as long as he was getting paid, that's all he needed to know.
