Carl August Ehrensvärd (1745–1800), Swedish naval officer, painter, author, and neo-classical architect
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Augustin Ehrensvärd (1710–1772), Swedish military architect, a lieutenant colonel in the artillery
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Carl Fredrik Ehrensvärd (1767–1815), Swedish Freiherr, convicted of involvement in the murder of Gustav III in 1792 and sentenced to death
The general responsibility for the fortification work was given to Augustin Ehrensvärd.
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Augustin Ehrensvärd (1710–1772) and his gigantic fortification work on the islands off the town of Helsinki brought the district a new and unexpected importance.
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After the 'Cap' party rise to power in 1766 Ehrensvärd was relieved of his post and replaced with ardent 'Cap' supporter Christopher Falkengréen.