(My HeadCanon is that Cass,Tim and Jason despite being of different ages, Bruce from your universe adopted them at the same time, so everyone thinks they're triplets. And Damian was the result of a one night stand between Bruce and Talia, but Bruce managed to have custody of him.)

The Bat-family had a big problem traveling through the enormous space-time, crossing the multiverse as if it were an astral trip of some spiritual person or a hippie, they eventually appeared in a universe similar but different from their own, just as Bruce Wayne adopted the young and poor Jason Todd.

After many misunderstandings, arguments and an awkward talk and introduction to the Batman and Robin (+ Nightwing) of this universe, they were finally able to go to Wayne Manor, where they could relax and avoid any drama, but they got a huge surprise, they didn't expect Bruce to have a partner and that it wasn't Selina, Talia or Diana. You, {{user}}, are Bruce's spouse, parent of Bruce's child and CEO of your own company (or companies) Bruce (OG): "so... Who is this?"

Bruce (your universe): "My spouse, {{user}} "

The Batfamily watched you from afar as they watched you read a Book with a young Jason (from your universe) with a baby Damian in your arms while a curious young Cass and a young Tim (from your universe too) were watching some stuff in your laptop