Citizenship by Descent in 2026: The Complete Guide to All Available EU Ancestry Routes

For HNW families with the right ancestry, citizenship by descent is the single most cost-effective route to a European passport. The total cost of a clean descent file typically runs under USD 30,000 in legal, document, and processing fees — compared with USD 290,000–380,000 for a Caribbean CBI and EUR 500,000 plus a five-year clock for the Portuguese Golden Visa. The bar is documentary, not financial: prove an unbroken chain of citizenship transmission from a qualifying ancestor, and a European passport follows.

Nine EU member states offer meaningful descent routes in 2026 — Italy, Ireland, Germany, Poland, Hungary, Portugal (Sephardic), Greece (diaspora), Lithuania, and Spain (under bilateral arrangements with Latin American and Sephardic-heritage applicants). Each route has its own generational rules, evidentiary standards, processing routes, and recent reforms. For an HNW family with documented European heritage, this guide is the map of which route applies, what documentation is required, and how to plan around the 2024–25 reform cycle that tightened several frameworks.

For the deep Italian-specific deep dive see Italian Citizenship by Descent.

The nine EU descent routes in 2026

A compact overview before the country detail.

The major routes in detail

Italy — the broadest descent route

Italian jure sanguinis remains the most-used descent route in Europe. Italian citizenship transmits indefinitely down the patrilineal line and post-1948 down the matrilineal line (with the Italian court route handling pre-1948 maternal-line cases). For Italian-American, Italian-Argentine, Italian-Brazilian, Italian-Australian, and other major diaspora communities, Italian descent recognition delivers a full EU passport for total cost typically under USD 15,000.

The 2024–25 reforms introduced tighter generational and evidentiary rules — some files that would have been straightforward in 2018 now require Italian-court rectification work. See the dedicated Italian descent guide.

Ireland — the Foreign Births Register route

Ireland's descent route runs through the Foreign Births Register. Any person with at least one grandparent born in Ireland (the island, not just the Republic) is generally entitled to register as an Irish citizen. Great-grandparent descent is possible if the intermediate parent registered first.

• No language test, no residence requirement.
• Documentation: certified Irish birth records of the qualifying ancestor + intermediate generations.
• Processing time: typically 12–24 months through the Department of Foreign Affairs.

Ireland is the EU citizenship route most-used by Anglo diaspora families (Irish-American, Irish-Canadian, Irish-Australian, Irish-British). Total cost for a clean file typically USD 3,000–8,000.

Germany — Article 116 of the Basic Law

Article 116 restores German citizenship to descendants of those persecuted between 30 January 1933 and 8 May 1945 on political, racial, or religious grounds, including Jewish, Sinti, Roma, political opponents, and others stripped of German citizenship under Nazi-era legislation.

• The 2021 reforms materially expanded the route — removing earlier gender-based discrimination in transmission and broadening descendant qualification.
• No language test, no residence requirement.
• Documentation: evidence of persecution of the qualifying ancestor, German civil records, family-tree documentation.

For HNW families with this heritage, Article 116 delivers a full German (and EU) passport with no investment requirement. The route also generally permits dual citizenship under post-2024 German reforms.

Poland — citizenship preservation through generations

Polish citizenship is preserved through generations as long as no intermediate generation explicitly lost it (renunciation, foreign-army service, etc.). For descendants of Polish citizens who emigrated to the US, UK, Canada, Australia, Israel, and Argentina before WWII, the route is real but documentary.

• Polish A2 language requirement in some cases (for confirmation-of-citizenship paths) but not all.
• Documentation-heavy — pre-WWII Polish civil records, often requiring archive research in former Polish territories.
• Processing time: 18–36 months.

Polish descent is one of the underused EU routes — substantial diaspora populations qualify but few pursue it relative to Italian or Irish numbers.

Hungary — ancestors of pre-1920 Hungary

Hungary's descent route covers descendants of Hungarian citizens who lived in pre-1920 Hungary (which included substantial territory in modern Romania, Slovakia, Serbia, Ukraine, Austria, and Croatia). The geographic reach is broader than the modern Hungarian border suggests.

• Hungarian language requirement is the binding constraint for most non-native applicants.
• Documentation: pre-1920 Hungarian civil records, intermediate-generation evidence.
• Processing time: 12–36 months.

For HNW families with central-European heritage whose ancestral towns were Hungarian before 1920, the route is real but the language requirement is meaningful.

Portugal — Sephardic descent (significantly tightened)

Portugal opened a Sephardic descent route in 2015 for descendants of Sephardic Jews expelled from Portugal in 1497. The route delivered a full EU passport with no residence requirement and modest cost — and became one of the most-used descent routes for Sephardic-heritage families globally.

The 2022 and 2024 reforms tightened the route significantly. Genealogical evidence requirements increased materially; rabbinical authority involvement became more substantive; processing times extended. The route remains active but is no longer the quick path it was in 2015–2021.

Applicants in 2026 should engage Sephardic-genealogy-specialist Portuguese counsel — generalist firms routinely underdeliver on this route.

Greece — diaspora descent and Pontic Greek heritage

Greek descent operates through standard jure sanguinis — any person with at least one Greek parent is generally entitled to Greek citizenship. Beyond standard parent-line descent, Greek law has additional provisions for ethnic Greeks of historical diaspora communities (Pontic Greek, Asia Minor refugee descendants, diaspora from former Soviet Union, etc.).

• No language test for descent applications.
• Documentation: Greek municipal (dimos) records of the qualifying ancestor, intermediate-generation evidence.
• Processing time: 12–24 months.

For families with Turkish, Caucasian, Pontic, or former-Soviet Greek heritage, the route is real and meaningful. See Greek Citizenship Requirements.

Lithuania — pre-1940 Lithuanian descent

Lithuania restores citizenship to descendants of pre-1940 Lithuanian citizens (the period before Soviet annexation). For descendants of Lithuanian-Jewish, Lithuanian-Christian, and broader Lithuanian-diaspora families who emigrated to South Africa, the US, the UK, Israel, and elsewhere before WWII, the route is real.

• Lithuanian language test in some cases (for naturalisation routes, not always for restoration).
• Documentation: pre-1940 Lithuanian records, intermediate-generation evidence.
• Processing time: 12–24 months.

Spain — bilateral routes (Sephardic closed in 2019)

Spain's main Sephardic descent route closed in 2019. What remains in 2026:

• Bilateral arrangements with several Latin American countries (Mexico, Argentina, Brazil, Colombia, etc.) and the Philippines providing accelerated naturalisation (2 years instead of 10) for nationals of those countries.
• Standard descent rules for children of Spanish citizens.

Spanish Sephardic descent is no longer a viable route for new applicants in 2026.

How to actually pursue a descent file

Five disciplines that separate successful files from stuck ones.

1. Verify the chain before committing. The single most expensive descent-file mistake is investing in genealogical research only to discover a chain-breaking event (an early naturalisation that severed citizenship transmission, a missing intermediate record, an undocumented marriage). Verify before investing.

2. Engage country-specific specialist counsel. Italian descent files need Italian counsel familiar with the 2024–25 reforms. Sephardic Portuguese files need Sephardic-genealogy specialists. German Article 116 files benefit from German immigration counsel with persecution-documentation experience. Generalist immigration firms are not the right fit.

3. Plan the documentation work carefully. Pre-WWII civil records were often destroyed, damaged, or are held in archives in successor states (Polish records in Ukraine, Hungarian records in Romania, etc.). The documentation work is the heart of the file; budget time and money for it.

4. Coordinate name and date discrepancies upfront. Spelling variations across emigration records, baptismal records, naturalisation records, and civil records are extremely common for 19th- and early-20th-century emigrants. Plan for the rectification (rettifica in Italian; equivalent processes in other jurisdictions).

5. Plan multi-generational outcomes. Successful descent applicants pass the citizenship automatically to their children born after recognition. A well-executed descent file is a multi-generational asset, not a single-applicant outcome.

Frequently asked questions

Which EU country has the easiest descent citizenship? Italy and Ireland are the most-used because of broad descent rules, no language requirement, and substantial diaspora populations. "Easiest" depends on your specific ancestry.

How much does EU descent citizenship cost? For a clean file with no rectification work, total cost typically runs USD 3,000–15,000 in legal, document, and processing fees. Files requiring court rectification can run USD 15,000–30,000. Substantially cheaper than any investment migration alternative.

Do I need to live in the EU to get descent citizenship? No. Descent routes require no residence and (in most cases) no language test. The qualifying act is documenting the ancestral chain.

How long does descent citizenship take? Typically 12–36 months for a clean file. Italian consular routes vary by consulate (some backlogs run 36+ months). Portuguese Sephardic files now run 24–48 months post-2022 reforms.

Can I keep my current citizenship if I get an EU descent passport? Yes — all nine routes listed permit dual citizenship at the EU end. Whether your current country permits it is the separate question.

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Internal links to add: Italian Citizenship by Descent · Greek Citizenship Requirements · Easiest Countries to Get Citizenship

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