When it comes to this question, I've wondered about Carmine Galante.

Reputable sources state that when Galante was released from his second prison stint in the late 30s he went to work with The Luciano Family but his exact membership status with them was unclear. Since he is of Castellamarase extraction (although he himself was born in New York) one would think he could only be made with The Bonannos which was a Castellamarase borgata. Yet with all the work he put in for The Luciano Family from making exorbitant drug money with Vito Genovese for years as well as carrying out hits for him, you'd think this would result in him being made with The Lucianos.

We know Galante was with The Bonannos and it's mainly associates who transfer between families, not made men but I do think it's possible that Galante was first made in The Luciano Family and later transferred.

After Salvatore Maranzano's death and The Castellamarase War, Bonanno and Luciano came to terms which seemed to result in a strong bond between them so Galante may not have been seen as betraying his bloodline by running with The Lucianos and being made with them. Then when Luciano's legal issues began and Genovese left to Italy, it's possible an agreement was made for Bonanno to take Galante under his wing and he was officially transferred to The Bonannos.