The Supreme Court’s stance on birthright citizenship rests on one key case: **United States v. Wong Kim Ark** (1898).
In that ruling, the Court decided that the Fourteenth Amendment’s Citizenship Clause grants citizenship to anyone born in the U.S., no matter their parents’ status. This established that the clause codified the common-law rule of birthright citizenship, independent of whether parents were citizens or aliens.
There is one explicit exclusion: children of parents employed in a diplomatic or official capacity for a foreign power do not qualify.
The retrieved data also contained a confusing snippet about a "Public Offering Exclusion" in an insurance policy. That is legally irrelevant to constitutional questions and appears to be a retrieval error. The only valid exclusion remains the diplomatic exception.
The facts provided do not list subsequent Supreme Court rulings that clarified or limited *Wong Kim Ark*. The text only offers technical instructions for searching APIs like CourtListener or Google Scholar, without naming the cases themselves.
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