Dataset genealogical metadata Archive Delft via Open Archives

The open data consists of metadata from 853,880 records of Archive Delft, with 2.299.487 historical person observations. The source types included population registers, births, marriages, deaths, funerals, baptisms, marriages (church). This dataset can be searched via https://www.openarchieven.nl/ade

Spatial Coverage
Nederland, Gemeente Midden-Delfland (NL), Gemeente Pijnacker-Nootdorp (NL), Gemeente Rijswijk (NL), Netherlands, South Holland, Zuid-Holland, Delfland (NL)
Temporal Coverage
1576-1968
Languages
Dutch
Modified
November 18, 2025

Linked Data Summary

62,498,424
Triples
87
Unique predicates
9,588,443
Unique objects
40%
60%
Literals: 3,798,957
URIs: 5,789,486

Classes

Class
Entities
openarch.nl/…f/a2a#Person
2,121,506
30%
openarch.nl/…a#RelationEP
2,121,506
30%
openarch.nl/def/a2a#Event
773,234
11%
openarch.nl/…f/a2a#Record
773,234
11%
openarch.nl/…f/a2a#Source
773,234
11%
openarch.nl/…ailableScans
398,880
6%

Properties

Property
Entities
rdfs:label
12,423,464
54%
openarch.nl/…#EventKeyRef
2,121,506
9%
openarch.nl/…PersonKeyRef
2,121,506
9%
openarch.nl/…a#PersonName
2,121,506
9%
openarch.nl/…RelationType
2,121,506
9%
openarch.nl/…ameFirstName
2,087,004
9%

Value Types

Value Type
Triples
xsd:string
16,041,939
60%
openarch.nl/…f/a2a#Person
4,243,012
16%
openarch.nl/def/a2a#Event
2,894,740
11%
openarch.nl/…a#RelationEP
2,121,506
8%
openarch.nl/…f/a2a#Source
773,234
3%
xsd:date
773,234
3%

Registration

Registered on
March 31, 2025 at 02:22 PM
Last read
6 days ago
Completeness
80%
Missing properties: dcat:distribution