birthhigh confidence
1770-10-19
1 linked sourceBorn 1770-10-19 · Died 1824-09-04
Johann Jacob Efferenn was born (1770-10-19). Source: Wikidata referenced P569 statement
Johann Jacob Efferenn died (1824-09-04). Source: Wikidata referenced P570 statement
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1770-10-19
1 linked source1824-09-04
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q112972443$FDAD533B-53FD-40A9-8160-FE698E0D37C1; 2 source anchors · Wikidata · P569
Open original sourceQ112972443$C1277D4B-93F3-42FB-8923-2C08271436BC; 2 source anchors · Wikidata · P570
Open original source