If Obama was born in Kenya (I doubt it) he would not have been an American citizen and of course naturalized. He would have been a Kenyan CITIZEN, mother would need to register Obama for US citizenship due to her age and the father being a foreigner. So thus "The child of an American citizen is an American citizen" is wrong when looking at the law in 1961.
Also the law would presumably kill any questions arising regarding “...or a Citizen of the United States...” clause since Obama would have been a Kenyan by birth. Also I am sure if found to be born in Kenya, prosecuted for fraud.
It is simple really, Obama has “proof” he was born in Hawaii and thus a natural born citizen.
Why do I have to show you this???
Secretary of State Bayard ruled under Section 1992 of U.S. Revised Statutes in 1885 that although Richard Greisser was born in the United States, his father at the time of his birth was a subject of Germany, and thus, Richard Greisser could not be a citizen of the United States. Furthermore, it was held his father was not subject to the jurisdiction of the United States under the Fourteenth Amendment.
The constitutional requirement for the President of the United States to be a natural-born citizen had one purpose according to St. George Tucker:
That provision in the constitution which requires that the president shall be a native-born citizen (unless he were a citizen of the United States when the constitution was adopted,) is a happy means of security against foreign influence, which, wherever it is capable of being exerted, is to he dreaded more than the plague. The admission of foreigners into our councils, consequently, cannot be too much guarded against; their total exclusion from a station to which foreign nations have been accustomed to, attach ideas of sovereign power, sacredness of character, and hereditary right, is a measure of the most consummate policy and wisdom. The title of king, prince, emperor, or czar, without the smallest addition to his powers, would have rendered him a member of the fraternity of crowned heads: their common cause has more than once threatened the desolation of Europe. To have added a member to this sacred family in America, would have invited and perpetuated among us all the evils of Pandoras Box.
Additionally, Charles Pinckney in 1800 said the presidential eligibility clause was designed to insure attachment to the country.
What better way to insure attachment to the country then to require the President to have inherited his American citizenship through his American father and not through a foreign father. Any child can be born anywhere in the country and removed by their father to be raised in his native country. The risks would be for the child the return in later life to reside in this country bringing with him foreign influences and intrigues.
Therefore, we can say with confidence that a natural-born citizen of the United States means those persons born whose father the United States already has an established jurisdiction over, i.e., born to fathers who are themselves citizens of the United States. A person who had been born under a double allegiance cannot be said to be a natural-born citizen of the United States because such status is not recognized (only in fiction of law). A child born to an American mother and alien father could be said to be a citizen of the United States by some affirmative act of law but never entitled to be a natural-born citizen because through laws of nature the child inherits the condition of their father.