Dataset genealogical metadata National Archives via Open Archives
The open data consists of metadata from 4,450,903 records of National Archives, with 4.172.557 historical person observations. The source types included baptisms, marriages (church). This dataset can be searched via https://www.openarchieven.nl/ghn
- Publisher
- Open Archives
- Spatial Coverage
- Nederland, Netherlands
- Temporal Coverage
- 1582-1966
- Languages
- nl-NL
- Modified
- November 18, 2025
Distributions
N-Triples
https://oa-export.s3.nl-ams.scw.cloud/nt/ghn.nt.gz (opens in new tab)
Compressed N-triples file
Modified: 1/17/2024 File Size: 3.8 MB
Verified
XML
https://api.openarchieven.nl/oai-pmh/?verb=ListRecords&metadataPrefix=oai_a2a&set=ghn (opens in new tab)
OAI-PMH endpoint with XML based on the A2A model
XML
https://oa-export.s3.nl-ams.scw.cloud/xml/ghn.xml.gz (opens in new tab)
Compressed XML file based on the A2A model
Modified: 10/28/2025 File Size: 545.5 MB
Linked Data Summary
68,650
Unique subjects
533,384
Triples
7.8
Avg. triples per subject
50
Unique predicates
Classes
Class
Entities
openarch.nl/…f/a2a#Person
23,894
32%31.9%
openarch.nl/…a#RelationEP
23,894
32%31.9%
openarch.nl/def/a2a#Event
6,954
9%9.3%
openarch.nl/…f/a2a#Record
6,954
9%9.3%
openarch.nl/…f/a2a#Source
6,954
9%9.3%
openarch.nl/…ailableScans
6,349
8%8.5%
Properties
Property
Entities
rdfs:label
113,471
49%48.7%
openarch.nl/…#EventKeyRef
23,894
10%10.3%
openarch.nl/…PersonKeyRef
23,894
10%10.3%
openarch.nl/…a#PersonName
23,894
10%10.3%
openarch.nl/…RelationType
23,894
10%10.3%
openarch.nl/…NameLastName
23,891
10%10.3%
Value Types
Value Type
Triples
xsd:string
165,387
59%58.7%
openarch.nl/…f/a2a#Person
47,788
17%17.0%
openarch.nl/def/a2a#Event
30,848
11%10.9%
openarch.nl/…a#RelationEP
23,894
8%8.5%
openarch.nl/…f/a2a#Source
6,954
2%2.5%
xsd:date
6,954
2%2.5%
Registration
- Registered URL
- Registered on
- December 22, 2023 at 01:54 PM
- Last read
- 6 hours ago
- Quality Rating
- 100%