I find the genealogy tree on Wikipedia to be a little easier to read than roguebasin: https://commons.m.wikimedia.org/wiki/File:Rogue-like_influen...

If you squint hard enough it looks just like the one for the history of Linux development: https://en.m.wikipedia.org/wiki/List_of_Linux_distributions

I find these games endlessly fascinating, though I'm mainly a DCSS player.

Here's some more genealogy: https://tangaria.com/roguelikes/

Gonna just link dump if you wanna rabbit hole today.

A good write-up of ToME2 history: https://github.com/tome2/tome2/blob/master/lib/mods/theme/he...