Inheritance by Adoption?

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In concert with Yeshua's inherited crown, the genealogy of Mary is completely irrelevant, as all in lineage must be through the father, not the mother! Therefore we must look at Joseph's genealogy. If Yeshua inherited the kingship through the adoption of an earthy father in Joseph, then that would mean G-d took the throne away from David's house, which is a violation of G-d's oath. Third, even if you can prove that the genealogy in Luke is Mary's lineage, it still would not be of help Yeshua's messiahship as her line does NOT go back to David through the King's son, Solomon; instead it list King David's brother, Nathan, thus eliminating any legitimate claim to the throne. Forth, Roman 1:3 states that Christ is the Messiah based upon the Flesh and not by adoption. "Concerning his Son Jesus Christ our Lord, which was made of the seed of David according to the flesh"