Natural born was intended to keep foreign nobility from gaining control of the executive branch.
If you still owe allegiance to a foreign country by naturalization or birth, you aren’t a natural born citizen.
One universal point most all early publicists agreed on was natural-born citizen must mean one who is a citizen by no act of law. If a person owes their citizenship to some act of law (naturalization for example), they cannot be considered a natural-born citizen. This leads us to defining natural-born citizen under the laws of nature – laws the founders recognized and embraced.
Under the laws of nature, every child born requires no act of law to establish the fact the child inherits through nature his/her father’s citizenship as well as his name (or even his property) through birth. This law of nature is also recognized by law of nations. Sen. Howard said the citizenship clause under the Fourteenth Amendment was by virtue of “natural law and national law.â€
The advantages of Natural Law is competing allegiances between nations are not claimed, or at least with those nations whose custom is to not make citizens of other countries citizens without their consent. Under Sec. 1992 of U.S. Revised Statutes (1866) made clear other nation’s citizens would not be claimed: “All persons born in the United States and not subject to any foreign power, excluding Indians not taxed, are declared to be citizens of the United States.â€
Rep. John A. Bingham commenting on Section 1992 said it means “every human being born within the jurisdiction of the United States of parents not owing allegiance to any foreign sovereignty is, in the language of your Constitution itself, a natural born citizen.†(Cong. Globe, 39th, 1st Sess., 1291 (1866))
Ted Cruz's father owed allegiance to a foreign sovereignty. Ted Cruz was not born within the jurisdiction of the United States. Ted Cruz is not a Natural Born Citizen.
The Cruz definition is no different from that of the children of Queen Noor of Jordan or those of Grace Kelly. It's paving the way for a situation where a person could be ruler of the US and another nation.
It's not a good precedent. We should be fighting to maintain our sovereignty, not creating situations that could work against it.