I had high hopes for the DNA testing of the pharaohs, but now it has become and almost hopeless mess. Anyway, my theory is not dependent on the exact associations of mummies with pharoahs.
I follow Ahmed Osman in identifying Patriarch Joseph as late 18th Dynasty Vizier Yuya. However, in my model there is at least one prominent Joseph figure in every major dynasty. The Hyksos Period is no exception, however I have not as yet identified a Hyksos prince that exactly fits that role. See the following posts:
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