Category:Johann Freiherr von O'Brien

**Johann von O’Brien**
	(1775-1830)
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Date of birth	1775; Romania
Date of death	5 September 1830, 27 February 1830; Pest
Occupation	military officer;
Noble title	baron;
Award received	Knight of the Order of Maria Theresa;
Authority file
	Q1487990; VIAF ID: 30611432; GND ID: 12925116X
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