derivative citizenship

The children of persons who have been duly naturalized under any law of the United States ... being under the age of twenty-one years at the time of the naturalization of their parents, shall, if dwelling in the United States, be considered as citizens thereof. ... the naturalization of the father operates to confer the municipal right of citizenship upon the minor child if, at the time of the father's naturalization, dwelling within the jurisdiction of the United States, or if he come within that jurisdiction subsequent to the father's naturalization and during his own minority.