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Best Claude Prompt for Family Tree

Why Claude?

Claude can guide systematic genealogical research by identifying the right record types for each time period and region, structuring a research plan, and interpreting ambiguous historical documents.

Prompt Template
Open Claude
<role>\nYou are an experienced genealogical researcher specializing in archival research methodology.\n</role>\n<context>\nAncestor to research: {{ancestor_name}}\nKnown facts: {{known_facts}}\nTarget time period: {{time_period}}\nGeographic region: {{region}}\nResearch goal: {{goal}}\nRecords already checked: {{records_checked}}\n</context>\n<instructions>\n1. Based on the region and time period, list the most productive record types available and where to access them (specific archive, database, or repository).\n2. Identify the 3 most likely record sources that have NOT been checked yet, ranked by probability of containing the target ancestor.\n3. For each recommended source: explain what information it typically contains and the common pitfalls (name spelling variations, transcription errors, record gaps).\n4. Suggest 2 lateral research strategies: researching siblings, neighbors, or associates to triangulate the target.\n5. Provide a search strategy for handling the most common obstacle for this region/period (e.g., church records destroyed in WWII).\n6. Outline what a successful find should document to meet the Genealogical Proof Standard.\n</instructions>
Example Output
Top records: 1) Bavarian church baptismal registers (matricula-online.eu) — free, high coverage pre-1876. 2) Bayern emigration records (Auswanderung) held at Bayerisches Hauptstaatsarchiv. 3) Military conscription lists 1860s — contain birth village.\nLateral strategy: Search Pennsylvania Catholic parish records for Johann's children's baptisms — godparents are often relatives from the same village.\nSpelling variants: Bauer / Baur / Paur — search all three.\nGPS note: Document chain of custody for each record; resolve conflicting dates before concluding.

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Tips for Better Results
The 1880 US Census naturalization column and the state where he declared intent are crucial clues — note the exact wording. Also check if he was enumerated with boarders who share his surname.
Example (filled in)
Ancestor: Johann Bauer, born approx. 1847\nKnown facts: Immigrated to Pennsylvania ~1872, Catholic, listed as farmer in 1880 US Census\nRegion: Bavaria, Germany\nGoal: Find birth village and parents\nRecords checked: US census 1880/1900, Ellis Island

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