{
  "project": "Familie Van den Berg(h) 3.0 — Viller Mühle",
  "round": "V21",
  "date": "2026-10-14",
  "mode": "ADD-ONLY",
  "new_independently_original_manuscripts_read": 0,
  "buyer_identified": false,
  "evidence": [
    {
      "id": "V21-01",
      "source": "Duitstalige Wikipedia 2006 webarchieftekst Viller Mühle",
      "url": "https://wikipedia2006.classicistranieri.com/de/v/i/l/Viller_M%C3%BChle_c6e7.html",
      "source_class": "secondary historical website snapshot",
      "claim": "Schankwirt Peter van Bergen; sale 1806; 10000 francs; 1849 Lim; 1853 Mathysen",
      "status": "PUBLISHED CLAIM ONLY; ORIGINAL UNKNOWN"
    },
    {
      "id": "V21-02",
      "source": "Viller Mühle huidige website",
      "url": "https://viller-muehle.de/11/",
      "source_class": "secondary website",
      "claim": "nearly same consecutive wording and ownership sequence as V21-01",
      "status": "NON-INDEPENDENCE SUSPECTED; DIRECTION NOT PROVEN"
    },
    {
      "id": "V21-03",
      "source": "Historischer Weg Kessel, sectie 9 Viller Mühle",
      "url": "https://spargeldorf-kessel.de/dokumente/hw.pdf",
      "source_class": "secondary local history",
      "claim": "1806 purchase by Schankwirt Peter van Bergen for 10000 francs",
      "status": "SECONDARY; INDEPENDENT ORIGINAL BASIS UNPROVEN"
    },
    {
      "id": "V21-04",
      "source": "Elisabeth Zenses 2019, KuLaDig KLD-294826",
      "url": "https://www.kuladig.de/Objektansicht/KLD-294826",
      "source_class": "modern heritage research",
      "claim": "describes secularization and Mathysen; does not name 1806 purchaser in inspected text; cites Sommer 1991 Vogt 1998 and mill site",
      "status": "NOT DIRECT CORROBORATION OF PURCHASE PERSON"
    },
    {
      "id": "V21-05",
      "source": "Susanne Sommer 1991; Hans Vogt 1998",
      "source_class": "named bibliographic routes; books not read",
      "claim": "possible earlier printed provenance, no content assumed",
      "status": "NOG TE CONTROLEREN"
    },
    {
      "id": "V21-06",
      "source": "LAV NRW AA0633/3193 image 0055 register post 975",
      "source_class": "primary source previously read V1–V14, NOT newly read in V21",
      "claim": "Gennap; surname -bergh; Neukloster; two mills near Asperden; 10000 francs",
      "status": "BEWEZEN ALS REGISTRATIE; BUYER IDENTITY UNRESOLVED"
    }
  ]
}