Dataset genealogical metadata Central Holland regional archive via Open Archives

The open data consists of metadata from 1,475,541 records of Central Holland regional archive, with 2.806.915 historical person observations. The source types included population registers, births, marriages, deaths. This dataset can be searched via https://www.openarchieven.nl/smh

Spatial Coverage
Nederland, Gemeente Krimpen aan den IJssel (NL), Gemeente Waddinxveen (NL), Gemeente Zuidplas (NL), Krimpenerwaard (NL), Netherlands, South Holland, Zuid-Holland, Gemeente Gouda (NL)
Temporal Coverage
1767-1974
Languages
Dutch
Modified
November 18, 2025

Linked Data Summary

103,552,122
Triples
54
Unique predicates
12,142,813
Unique objects
39%
61%
Literals: 4,715,298
URIs: 7,427,515

Classes

Class
Entities
openarch.nl/…f/a2a#Person
2,377,629
24%
openarch.nl/…a#RelationEP
2,311,335
23%
openarch.nl/def/a2a#Event
1,336,125
13%
openarch.nl/…f/a2a#Record
1,336,125
13%
openarch.nl/…f/a2a#Source
1,336,125
13%
openarch.nl/…ailableScans
1,328,955
13%

Properties

Property
Entities
rdfs:label
19,319,757
56%
openarch.nl/def/a2a#Place
5,101,540
15%
openarch.nl/def/a2a#Year
2,706,176
8%
openarch.nl/def/a2a#Month
2,653,650
8%
openarch.nl/def/a2a#Day
2,648,173
8%
openarch.nl/…f/a2a#Gender
2,377,629
7%

Value Types

Value Type
Triples
xsd:string
26,168,633
66%
openarch.nl/…f/a2a#Person
4,821,552
12%
openarch.nl/def/a2a#Event
3,647,460
9%
openarch.nl/…a#RelationEP
2,311,335
6%
openarch.nl/…f/a2a#Source
1,336,125
3%
xsd:date
1,336,125
3%

Registration

Registered on
December 22, 2023 at 01:57 PM
Last read
5 days ago
Completeness
100%