Sivert Adeler

Sivert Cortsen Adeler (alternative spellings include Sigvart and Adelaer; 1647 – 24 January 1683) was a Danish naval officer, captain, and overhoved of Danish India from 1673 to 1682, co-leading with Henrik Eggers and Eskild Andersen Kongsbakke until 1674.

Adeler was born in 1647 in Hoorn, Netherlands, and was the firstborn son of Admiral Cort Adeler and Engelke Sofronia. In 1663, Adeler came to Denmark with his dad, where he was appointed captain in 1666. In 1668, Adeler became commanding officer (befalingsmand) on the frigate Færøe, which was sent to the East Indies in the same year. Arriving in the Danish colony of Tranquebar in May 1669, Adeler would bring goods and gifts from the Danish king to the Sultan of Bantam.

Adeler returned to Denmark in September 1670 and was promoted to Schout-bij-nacht. The following year, he was sent to Holland for further education in naval warfare. In 1672, Adeler again departed for India, being appointed Governor of Tranquebar. His tenure would end in October 1682, when he abandoned the post in favour of Axel Juel. Adeler died off the Cape of Good Hope on 24 January 1683 on his return voyage to Denmark.