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
- Landing Page
- https://www.openarchieven.nl/datasets/ghn
- License
- CC0 1.0 Universal
- Spatial Coverage
- Nederland, Netherlands
- Temporal Coverage
- 1582-1966
- Languages
- nl-NL
- Modified
- November 18, 2025
Distributions Distributions provide access to the data.
N-Triples
https://oa-export.s3.nl-ams.scw.cloud/nt/ghn.nt.gz
Compressed N-triples file
Modified: 1/17/2024 File Size: 3.8 MB
This distribution has been validated by the Dataset Knowledge Graph.
XML
https://api.openarchieven.nl/oai-pmh/?verb=ListRecords&metadataPrefix=oai_a2a&set=ghn
OAI-PMH endpoint with XML based on the A2A model
XML
https://oa-export.s3.nl-ams.scw.cloud/xml/ghn.xml.gz
Compressed XML file based on the A2A model
Modified: 10/28/2025 File Size: 545.5 MB
Linked Data Summary Statistical information about this dataset retrieved from the Knowledge Graph, including the number of triples, entities, properties, and class distribution.
533,384
Triples
68,650
Subjects
7.8
Avg. triples per subject
50
Unique predicates
94,988
Unique objects
35%
65%
Literals: 33,286
URIs: 61,702
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 URL where the dataset is described.
- Registered on Date at which the URL was registered with the Dataset Register.
- December 22, 2023 at 01:54 PM
- Last read When the URL was last read by the Dataset Register.
- 20 hours ago
- Quality Rating Indicates how complete the dataset description is based on the metadata properties provided, such as title, description, license, and publisher.
- 100%