Category:Jetty Treffz

**Henrietta Treffz**
	Austrian mezzo-soprano
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Name in native language	Henrietta Treffz;
Date of birth	1 July 1818, 28 June 1826 (false); Alservorstadt, Vienna
Date of death	8 April 1878, 9 April 1878; Hietzing
Manner of death	natural causes;
Cause of death	myocardial infarction;
Place of burial	Hietzing Cemetery (Gruppe 13, Nr. 73, 48°10′38.8″N 16°17′58.1″E);
Country of citizenship	Austria;
Occupation	singer; opera singer;
Spouse	Johann Strauss II (1862–);
Relative	Gustav Dreyhausen von Ehrenreich (son-in-law);
Unmarried partner	Moritz von Todesco;
Authority file
	Q275478; ISNI: 0000000071434421; VIAF ID: 50002245; GND ID: 117408581; Library of Congress authority ID: n97876170; Bibliothèque nationale de France ID: 14803559v; Europeana entity: agent/base/152225
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