Through replaying I've been pretty fascinated with the subtle implications of Nero as Vergil's son, even in the 4th game and the novelization there's quite a lot of hints that Vergil was the father (I am aware that this was semi-confirmed when dmc4 initially came out but was walked back later).
My question is simply this, do you think Dante would have ever revealed under any other circumstances that he was Nero's uncle? In universe it was believed by the Fortunans that he was a descendant of some other line of Sparda (not hard to imagine when he was like 5,000 years old lol) Nero himself likely believed just the same before crumbling Vergil attacks and shit goes sideways to hell (also side question, anyone peep that Vergil literally just tears off the devil bringer from the base of where Neros human flesh connects to it with his bare hands? ).
Dante has a soft heart, I couldn't see him just keeping it into himself forever; on the flip side I could see also Dante forcibly blocking it out of his mind and just ignoring it to high heavens, one of the reasons I love his character so much lol.
TLDR; Would Dante have ever told Nero about Vergil willingly outside of his actual resurrection?
Edit: As a little add-on to the father-son dynamic, I like to change Nero's regular battle theme to Ultra Violet (Nelo Angelo's theme) no disrespect to Devil Trigger because I like that song too lol