Johan Bertram Ernst

Johan Bartram (Bartram) Ernst (30 October 1663 - 22 December 1722) served as chief of police in Copenhagen from 1610 to 1722. He was the elder brother of royal master builder Johan Conrad Ernst.

Early life and education Ernst was born on 30 October 1663 in Copenhagen, the second of five children of linen merchant Johan Adolph Ernst (died1676) and Helene Sophie Mercker (died 1715). He was the elder brother of architect Johan Conrad Ernst. Their father has immigrated from Nuremberg. He was admitted to the Merchants Gild in Copenhagen in 1742 and became one of the city's 32 ;em in 1659. He owned a property on Amagertorv (now Amagertorv 31). After the father's death, Ernst's mother married secondly to merchant Barthold Stuve (c. 1626–1702). This marriage resulted in two half brothers and a half sister. Tsar Peter the Great's visit in 1716 was another event which made Ernst's work difficult. Many wealthy citizens were ordered to contribute with supplies to the Russian visitors. Ernst's work was also made difficult by the many clashes between Russian soldiers and lackeys and Danish soldiers and civilians.

Personal life Ernst was married to Vilhelmine Justine Dotzem (died 1741), a daughter of Just Dotzem.

Awards Ernst was appointed Kancelliråd in 1701, Justitsråd in 1704 and Etatsråd in 1717.