Acquisition of Portuguese citizenship

The following are Portuguese citizens: 1. Those who are born in Portuguese territory, of Portuguese father, or of Portuguese mother being illegitimate issues; 2. Those who are born in Portuguese territory of a foreigner father, provided he his not in the service of his nation, unless they declare, by themselves, being majors or emancipated, or through their legal representatives, being minors, that they do not want to be Portuguese; The following are Portuguese citizens: 1. Those who are born in Portuguese territory, of Portuguese father, or of Portuguese mother being illegitimate issues; 2. Those who are born in Portuguese territory of a foreigner father, provided he his not in the service of his nation, unless they declare, by themselves, being majors or emancipated, or through their legal representatives, being minors, that they do not want to be Portuguese; 3. The issues of Portuguese father, though expelled from Portuguese territory and illegitimate issues of Portuguese mother, born in a foreign country who come to establish domicile in Portuguese territory, or who declare by themselves, being majors or emancipated, or through their legal representatives, being minors, that they want to become Portuguese; 4. Those who are born in the Portuguese territory of unknown parents or of unknown nationality; 5. Those who are born in foreign territory, of Portuguese father, who resides there in the service of the Portuguese nation; 6. A foreign woman who gets married to a Portuguese citizen; 7. Foreigners who have been granted naturalization. § 1 - The declaration prescribed by the second clause shall be made before municipality of the respective residence; and that prescribed by the third clause shall be made before respective Portuguese consular agents or competent foreign authority. § 2 - The minor, upon attaining majority or being emancipated, may by way of new declaration object to the declaration which, during his minority, was made by his legal representative, in accordance with the second clause. § 3 - A Portuguese citizen who by any chance is deemed to be national of another country, as long as he resides in such country, is debarred from claiming the status of a Portuguese citizen.