(50 Mich. L. Rev. 927 1951-1952) The result of the principal case is to limit the category “natural born” to those who become citizens under the doctrine of jus soli; this makes it co-extensive with the term “native born.” Of importance in this problem is whether these children took the nationality of their parents at common law, for if they are citizens by virtue of their birth and without the aid of statute, then certainly they are “natural born” and not “naturalized” citizens. In most continental European countries the doctrine of jus sanguinis is applied. England follows the same rule, both by virtue of the common law and under a declaratory statute of 1350 guaranteeing such application. As a result, it is generally concluded, despite occasional dissent,” that jus sanguinis was the common law doctrine. (8 1 Willoughby, The Constitution §202 (1922); Flournoy and Hudson, Nationality Laws (1929); Harvard Research in International Law on Nationality, 23 AM. J. INT. L., Spec. Supp. 80 (1929)
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(66 Harv. L. Rev. 707 1952-1953) For most purposes, it is not necessary to determine the method by which citizenship has been acquired. But the problem of whether a citizen is natural born or naturalized is important in such areas as denaturalization, expatriation, and qualification for certain offices such as the presidency. (For a discussion of the distinctions made in expatriation, see pp. 739-42 infra.)
When a person is a citizen by jus sanguinis, is he natural born or naturalized? The answer. to this question will determine the applicability of certain expatriation provisions and the citizen’s qualification for the presidency. Some courts, relying on dicta in United States v. Wong Kim Ark equating natural born with native born, have indicated that those who claim citizenship solely by parentage are naturalized citizens. But this conclusion seems opposed to the common law concept -which may be assumed to be written into the constitutional requirements for the presidency -that jus sanguinis confers naturalborn citizenship. (See 5o Mich. L. REV. 926 (1952))
Those are great quotes you found. I borrow them often. :)