It's revealed in the film that Credence is Aberforth Dumbledore's long-lost son, which worked perfectly for the Harry Potter canon and the Fantastic Beasts franchise as a whole. Fantastic Beasts 3 ...

He later joins Dumbledore's Army. In Fantastic Beasts: The Secrets of Dumbledore, it is revealed that Aberforth Dumbledore ...

Jacob drinks Gigglewater, a beverage he had in the first "Fantastic Beasts" film ... that Albus and Aberforth acknowledge their sister's condition. We previously learned in "Harry Potter and ...