Honestly, I really don't have "canon" ships with Elio and his siblings. So it's all the same to me.

Also, I'm aromantic, so any OC ships that I have with Elio is usually boiled down to being generally platonic since he's kind of an extension of myself. Even then the limit for shipping him with any other OC - either my own or someone else's, is being "Best Friends with Benefits" because, honestly-speaking, as much of a supportive friends if not the chad wingman that he usually is, Elio FUCKS.