--- title: Swiss Citizenship By Descent description: Reclaim Swiss citizenship by descent (ius sanguinis). Julio Vero, Paris attorney, guides descendants worldwide through registration and passport process. --- [Skip to content](https://juliobvero.com/swiss-citizenship-by-descent#main-content) [Julio VeroSwiss Citizenship & Immigration](https://juliobvero.com/swiss-citizenship?hsLang=en) - [Swiss Citizenship Attorney](https://juliobvero.com/swiss-citizenship?hsLang=en) - [Swiss Citizenship by Descent](https://juliobvero.com/swiss-citizenship-by-descent?hsLang=en) - [Swiss Citizenship by Marriage](https://juliobvero.com/swiss-citizenship-by-marriage?hsLang=en) - [Swiss Citizenship by Naturalization](https://juliobvero.com/swiss-citizenship-by-naturalisation?hsLang=en) - [Swiss Citizenship by Reinstatement](https://juliobvero.com/swiss-citizenship-by-reinstatement?hsLang=en) - [Visas & Residence Permits](https://juliobvero.com/services/swiss-visa-residence-immigration-strategy?hsLang=en) - [Contact](https://juliobvero.com/swiss-citizenship-by-descent#consultation) Open main navigation Close main navigation - [Swiss Citizenship Attorney](https://juliobvero.com/swiss-citizenship?hsLang=en) - [Swiss Citizenship by Descent](https://juliobvero.com/swiss-citizenship-by-descent?hsLang=en) - [Swiss Citizenship by Marriage](https://juliobvero.com/swiss-citizenship-by-marriage?hsLang=en) - [Swiss Citizenship by Naturalization](https://juliobvero.com/swiss-citizenship-by-naturalisation?hsLang=en) - [Swiss Citizenship by Reinstatement](https://juliobvero.com/swiss-citizenship-by-reinstatement?hsLang=en) - [Visas & Residence Permits](https://juliobvero.com/services/swiss-visa-residence-immigration-strategy?hsLang=en) - [Contact](https://juliobvero.com/swiss-citizenship-by-descent#consultation) # Reclaim Your Swiss Heritage — Citizenship by Descent Swiss citizenship passes from parent to child wherever the child is born. But for children born abroad, the law attaches a strict registration deadline. I help families worldwide — from the US, the UK and Australia to Canada and beyond — find out whether the line is intact and confirm their Swiss nationality. [Eligibility Assessment Available](https://juliobvero.com/swiss-citizenship-by-descent#consultation) ## Your family left Switzerland — your citizenship may still exist Switzerland follows *jus sanguinis*. A child of a Swiss parent is Swiss from birth, whether born in Zurich, New York, London or Sydney. Place of birth alone never makes someone Swiss. In practice, this means you may already be a Swiss citizen without ever having held a Swiss passport, provided your birth was properly reported to the Swiss authorities in time. ## The rule that breaks most family lines **The 25th-birthday deadline (Art. 7 Swiss Citizenship Act).** A child born abroad to a Swiss parent who also holds another nationality loses Swiss citizenship at age 25, unless their birth was reported to a Swiss authority in Switzerland or abroad, or they declared in writing that they wish to remain Swiss. - **Almost any contact can count.** A report by parents, relatives or acquaintances for entry in the Swiss civil register, a consular registration or a Swiss passport application is generally enough. - **The loss passes down.** If you lost Swiss citizenship under this rule, your children lose it too. This is why many lines break at the first generation born outside Switzerland. - **Older generations faced a shorter limit.** Under the law in force before 2018 the age limit was 22, so relatives born long ago may have lost citizenship earlier. - **A lost claim is not always final.** Reinstatement may still be possible within ten years of the loss, or later after living in Switzerland. [See reinstatement](https://juliobvero.com/swiss-citizenship-by-reinstatement?hsLang=en). ## Tracing your Swiss lineage | Your situation | What it usually means | | --- | --- | | Swiss parent, your birth registered with a Swiss consulate | You are very likely Swiss. The task is to confirm it and obtain your documents. | | Swiss parent, your birth never registered, you are under 25 | Act now. Register or declare before your 25th birthday to keep your citizenship. | | Swiss parent, never registered, you are over 25 | Citizenship has likely lapsed. Reinstatement may apply within ten years of the loss. | | Swiss mother married to a non-Swiss father, you were born before 1 January 1985 | You often did not acquire Swiss citizenship at birth, but simplified naturalisation may be available if you have close ties to Switzerland. | | Swiss father not married to your mother, you were born before 2006 | Citizenship was not automatic in all cases. Simplified naturalisation may be possible where paternity is legally established. | | Swiss grandparent or great-grandparent only | It depends on whether each generation born abroad was registered in time. Every link must be checked. | ## How I handle a descent case 1. **Family tree analysis.** We identify your Swiss ancestor, their commune of origin and every birth, marriage and registration in the line. 2. **Register search.** We check what the Swiss civil register and consular records already show for your family. 3. **Document strategy.** I tell you exactly which civil records from your country, and which translations, are needed, and how to obtain them. 4. **Confirmation or application.** We register your birth and obtain your Swiss documents, or file for simplified naturalisation or reinstatement if the line was broken. ## Questions about descent ### My Swiss parent never told the consulate about me. Is it too late? If you are under 25, no: register now. If you are older, your citizenship has probably lapsed, but reinstatement may still be possible. The exact dates matter, so check them before assuming the door is closed. ### Will I have to give up my other citizenship? Not under Swiss law: Switzerland accepts dual nationality, as do many countries, including the US, the UK, Australia and Canada. If your other country restricts it, we check its rules before you act. ### Which canton will I belong to? Swiss citizens hold citizenship of a commune and canton of origin. A child acquires the cantonal and communal citizenship of the Swiss parent, which is also where your records are kept. This page is general information on the Swiss Citizenship Act and does not replace advice on your situation. ## Find out where you stand before you file Tell me about your Swiss family line, your marriage or your plans to move. I will review your situation and tell you which route is realistic, what evidence you will need and where the risks are. - Initial review of your eligibility and deadlines - Advice in English or French - Clear written next steps and a fee proposal Prefer email? Write to [avocat@juliobvero.com](mailto:avocat@juliobvero.com). ### Request a consultation --- [Julio VeroSwiss Citizenship & Immigration](https://juliobvero.com/swiss-citizenship?hsLang=en) Bar Association registration - Avocat au Barreau de Paris - 2 Rue de Poissy 75005, [avocat@juliobvero.com](mailto:avocat@juliobvero.com) +33 7 67 15 79 24 Ordem dos Advogados do Brasil, Seccional Pernambuco, n. 66300 - 305 Rua Dom Manoel da Costa, Recife, Brazil Instagram : [@julioverolawyer](https://www.instagram.com/julioverolawyer/) LinkedIn : [@juliovero](https://www.linkedin.com/in/juliovero/) Copyright © 2026, Julio Vero Lawyer **Privacy Policy:** Your data will be used solely to assist you with your Swiss citizenship or immigration matter; we never share it with third parties. To exercise your right to withdraw consent, contact us at **[avocat@juliobvero.com](mailto:avocat@juliobvero.com)**. See our detailed [Privacy Policy](https://juliobvero.com/privacy-policy?hsLang=en). The information on these pages is general and does not replace advice on your individual situation.