English pronouns still have three, but yeah, the vast majority of nouns have simplified to two. Latin has six, and I have encountered some consideration of locative as a seventh, but I think the consensus is six. But I remember
counterparts, as I think the trend with Romantic and Germanic languages was to shed inflection over time. English used to be more complicated grammatically, but after a few hundred years of abandoning rules it became rudimentary.
I've seen Polish compared with Latin in terms of vast inflectional requirements, though I think that's something that's true of Slavic languages generally. Most Romance languages are inflected but not as heavily as their older