.claude/skills/oorlogsbronnen/SKILL.md
Search the Oorlogsbronnen.nl network of WWII sources — over 1.6 million records from 250+ Dutch archives, museums, and libraries, plus 700,000+ indexed persons. Use this skill whenever researching Dutch WWII history for family members, looking up wartime fates, finding photos or documents from the occupation period, or searching for people affected by WWII in the Netherlands. Triggers on: "search oorlogsbronnen", "WWII records", "wartime fate", "check war sources", "what happened during the war", "/oorlogsbronnen", or any WWII-related genealogy research for Dutch persons. No login required.
npx skillsauth add rdeknijf/ai-genealogy-kit oorlogsbronnenInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Search 1.6 million+ WWII sources and 700,000+ indexed persons from 250+ Dutch archives, museums, and libraries. Aggregates records from NIOD, regional archives, war museums, commemoration centres, and more.
No login required. Free access.
browser_navigate → https://www.oorlogsbronnen.nl/bronnen
Search box: "Doorzoek meer dan 1.600.000 bronnen" Accepts names, events, or locations as search terms.
Filter options on results:
browser_navigate → https://www.oorlogsbronnen.nl/personen
Search box: "Doorzoek meer dan 700.000 personen"
Filter fields for persons:
For genealogy research, start with the persons page — it has structured data.
Type the person's name in the search box. The site has autocomplete suggestions.
Results show across categories:
Person results show name, dates, and linked sources.
Click a person result. The detail page shows:
Relevant search targets:
## Oorlogsbronnen Result — [type]
**Person:** [name]
**Born:** [date] in [place]
**Died:** [date] in [place]
**Sources found:**
- [source 1: type, collection, description]
- [source 2: type, collection, description]
**Contributing organizations:** [list]
**Confidence:** Tier B-C — aggregated WWII source (verify with originals)
tools
Search Dutch civil registry records (births, marriages, deaths) on WieWasWie.nl via direct JSON API calls, with Open Archives API as a secondary source and Playwright browser automation as fallback. Use this skill whenever you need to look up or verify a person in Dutch civil records, check a birth/marriage/death date against official archives, or find parents/spouses from indexed Burgerlijke Stand records. Triggers on: "look up on wiewaswie", "check the birth record", "find the marriage certificate", "verify this date in the civil registry", "/wiewaswie", or any request to search Dutch genealogical records for a specific person. Also use when comparing GEDCOM data against official sources or when a Tier B verification is needed.
development
Search the VOC Opvarenden database for Dutch East India Company crew records (1699-1794). Uses the Nationaal Archief HUB3 API — 853,785 indexed entries with rich detail: name, origin, rank, ship, fate (died/returned/deserted), service dates, VOC chamber, and links to original scans. Use this skill when: "search VOC records", "VOC crew", "VOC opvarenden", "sailed to Batavia", "Dutch East India Company", "VOC soldier", "VOC sailor", "/voc-opvarenden", or when looking for ancestors who may have sailed with the VOC. Also use when checking Daniel Pieterse Knijf (1704, Woerden) or any Knijf/Knijff VOC connections. No login required.
tools
Generate a scan verification page for the user to review AI-extracted genealogy findings against actual document scans. The user clicks through records, confirms or rejects each one, and confirmed records become Tier A evidence in FINDINGS.md. Use this skill when: "verify scans", "show me what needs verifying", "review pending scans", "scan verification", "/verify-scans", or when the user wants to upgrade research findings from Tier C/D to Tier A by visually confirming document scans. Also use after a research session that produced scan-backed findings that need human confirmation.
tools
Search indexed person records at Streekarchief Midden-Holland (samh.nl) via the Memorix Genealogy REST API. No browser automation needed — returns structured JSON in ~50ms per query. Based in Gouda, covers municipalities: Gouda, Haastrecht, Schoonhoven, Waddinxveen, Noord-Waddinxveen, Moerkapelle, Moordrecht, Ammerstol, Broek, Vlist, and surrounding areas in the Midden-Holland region of South Holland. 3M+ person records with DTB (doop/trouw/begraven), BS (geboorte/huwelijk/overlijden), and Inschrijvingaktes. 36 Knijf results found, including Gijsbert de Knijf records in Gouda and van der Knijf in Waddinxveen. Scans available for most records. Triggers on: "search Gouda archive", "Streekarchief Midden-Holland", "SAMH", "Haastrecht records", "Schoonhoven records", "/streekarchief-midden-holland", or any genealogy research in the Gouda/Midden-Holland area. No login required. Parallelizable — run multiple queries simultaneously.