I assume I probably go back 2000 years from my British Isles genelogy, don't know about Egypt, of course.
I've uncovered a lot of interesting and fun family history, but most blue blood claimants have a whole lot more of it than I do.
Here is a link to one of the best vetted genealogy lineages of royalty if anybody is interested. It gets a little tricky to keep your place, but you can get the hang of it with a little effort.
Don't be put off by the fact that an Australian built it and manages it. It covers many North American gateway ancestors and their lineages. And what a fine resource it is, the best genealogical database of its kind I'm aware of. There are many excellent family sites, too.
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According to some genealogy show, the man whose ancestry makes him the true claimant to the throne of the UK is an Australian.