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
King Crimson David Sylvian & Robert Fripp ProjeKct One ProjeKct Two ProjeKct Three ProjeKct Four ProjeKct X KTU TU UKZ Trey Gunn Gordian Knot Steven Wilson Sean Malone