Luxembourg's Citizenship by Descent

3rd Generation Limit: Citizenship can be claimed through a parent, grandparent or great-grandparent

General: Applicants must provide comprehensive documentation proving their lineage to a Luxembourgish citizen+This typically involves proving that at least one ancestor was a Luxembourgish citizen or held Luxembourgish nationality+Specific Documents: Birth certificates, marriage certificates, death certificates (if applicable)+As a general requirement, all the documents shall be sworn translated into either German, French, English or Luxembourgish language+Additional Proof of Lineage: In cases where standard records are unavailable, other documentation such as baptismal records, census records, military records, or immigration records may be accepted, but they must be officially substantiated.

Citizenship Continuity: The ancestor must have maintained Luxembourgish citizenship until the birth of the next generation+Renouncement Rules: If the ancestor renounced their Luxembourgish citizenship before the birth of the next descendant, it could break the chain of eligibility for citizenship.+Naturalization Impact: If the ancestor naturalized in another country before the birth of the next generation, this could affect eligibility depending on specific laws.

Criminal Record: A clean criminal record is generally required+It is a common requirement to provide proof of integration into the Luxembourgish society, such as knowledge of the Luxembourgish language and the history of the Grand Duchy of Luxembourg+Language Proficiency: The applicant must prove the level of language by a Luxembourgish language test pass certificate with a minimum level of oral expression test (level A2) and oral comprehension test (level B1)+Cultural Knowledge: The candidate for Luxembourgish nationality could either attend the “Vivre ensemble au Grand-Duché de Luxembourg” course about the fundamental rights of citizens, state and municipal institutions of the Grand Duchy of Luxembourg and its history (24 hours in total) or pass the test covering the topics taught in the course.