Jacob Adriaan Kalff
type: Person
description: Dutch politician (1869-1935)
birth date: 1869-04-27
death date: 1935-01-13
nationality: Kingdom of the Netherlands
has occupation: politician
has occupation: civil engineer
additional property: PropertyValue
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  pageview trend:
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source: Online Begraafplaatsen
stated in qid: Q107622574
retrieved: 2021-09-21

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2015-08-18

source: Biografisch Portaal
stated in qid: Q1868372

source: Biografisch Woordenboek van Nederland 1880-2000
stated in qid: Q864371

wikidata id: Q2631656
domain: human
level: standard
html url: https://4ort.xyz/entity/jacob-adriaan-kalff
markdown url: https://4ort.xyz/entity/jacob-adriaan-kalff.md
facts url summary: https://4ort.xyz/entity/jacob-adriaan-kalff/facts.json
facts url standard: https://4ort.xyz/entity/jacob-adriaan-kalff/facts.json
facts url full: https://4ort.xyz/entity/jacob-adriaan-kalff/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-24T10:35:02.961353Z
entity updated at: 2026-05-03T16:20:22.557058+00:00Z
entity created at: 2026-05-03T15:21:21.770282+00:00Z