birthhigh confidence
1863-04-04
1 linked sourceBorn 1863-04-04 · Died 1922-05-16
Isidorus Martens was born (1863-04-04). Source: Wikidata referenced P569 statement
Isidorus Martens died (1922-05-16). Source: Wikidata referenced P570 statement
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1863-04-04
1 linked source1922-05-16
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Accepted in the user-authorized Wikidata CC0 bulk publication run.
Q115830027$A8D5FEA8-95B2-423A-B2B9-E456EEF7A093; 1 source anchor · Wikidata · P569
Open original sourceQ115830027$15FA8C0E-FC81-40C1-BFE0-3DC0F2B1CD24; 1 source anchor · Wikidata · P570
Open original source