birthhigh confidence
1805-09-17
1 linked sourceBorn 1805-09-17 · Died 1866-12-10
Roelof Hendrik Graadt Jonckers was born (1805-09-17). Source: Wikidata referenced P569 statement
Roelof Hendrik Graadt Jonckers died (1866-12-10). Source: Wikidata referenced P570 statement
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1805-09-17
1 linked source1866-12-10
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q120633940$8fa5110c-480b-4aba-3fc7-00c7ce3fd0b2; 2 source anchors · Wikidata · P569
Open original sourceQ120633940$166a7ec2-4176-37e4-25f1-1e434f222bde; 2 source anchors · Wikidata · P570
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