As I had read that it was, I went searching for more authority and it looks like it was and it wasn't as best I can try to figure out from this article https:/

As I had read that it was, I went searching for more authority and it looks like it was and it wasn't as best I can try to figure out from this article https://en.m.wikipedia.org/wiki/His_genitive https://en.m.wikipedia.org/wiki/His_genitive