Legal experts warn that those whose parents are on work and student visas won’t be exempt from the implications of the new order.

The 38-page lawsuit contends Mr. Trump's executive order "will have a devastating and chaotic impact," arguing birthright citizenship is guaranteed, not only in the 14th amendment but also in a federal statute that details who is entitled to birthright citizenship.

The New York attorney general this week joined a coalition of nearly 20 states and the city of San Francisco in filing a legal challenge of President Donald J. Trump’s executive order ending citizenship rights for babies born on U.