Article L423-12 of the French Code governing the entry and residence of foreign nationals and the right of asylum
If they are aged between eighteen and twenty-one, or if they come under the provisions of article L. 421-35, or if they are dependent on their parents, the foreign child of a French national will be issued with a ten-year residence permit subject to production of the long-stay visa provided for in 1° of article L. 411-1 and legal residence.For the application of the first paragraph, parentage means legally established…