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To claim Hungary citizenship by descent from Germany, you need: (1) an Hungaryn ancestor in your direct line, (2) proof they were an Hungaryn citizen at the time of the next child's birth, (3) the chain of vital records linking you to that ancestor, and (4) apostilles and certified translations of all Germanyn documents.
Emigration era
1900-1914 (Austro-Hungarian era), 1945-1956 (WWII and 1956 Revolution)
Volume
Significant Hungaryn emigration to Germany
Key ports
Departure ports: Trieste (then Austria), Bremen, Hamburg. Arrival ports: major ports.
Consulate
Hungaryn consulate/embassy in Germany
Push factors (why they left Hungary)
Pull factors (why they chose Germany)
Naturalization & document retrieval
Germany naturalization records are held by the national archives of Germany. For CBD cases, the critical question is whether your Hungaryn ancestor naturalized in Germany BEFORE or AFTER the next child's birth. If BEFORE, the citizenship chain is broken (in most countries). If AFTER (or never), the chain is intact.
Start with the Hungaryn ancestor's birth certificate from their place of birth in Hungary. This is the foundational document.
Search the national archives of Germany for the ancestor's naturalization record. If none found, request a formal "no record" letter.
Check national archive ship manifests for the ancestor's arrival record, which shows date, port, and citizenship status at arrival.
Review national census records to track the ancestor's residence and citizenship status over time.
Obtain certified long-form birth certificates for each person in the chain between you and your Hungaryn ancestor.
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