He arrived in August and October in São Tomé which was conquered, and the Portuguese reign in Africa was temporarily broken.
With a feigned illness Carloff, who had profound and personal knowledge of the power structure in Axim,[1] went back to Europe in the hope someone might be interested in his plan.
After twelve years with the WIC he offered his service to Louis de Geer who shortly afterwards founded the pseudo-Swedish Africa Company in Stade.
He was hired for three years as commander and director at a salary of one hundred guilders and an ounce of gold per month to cover the charges.
Frederick and the Danish Privy Council had approved his desire to carry out these operations during the first war against Sweden 1657-58.
In December 1657 he left the port of Emden on the ship called "Glückstadt" with the mission to thwart Sweden The ship, which was equipped with 18 cannons and 48 crew members, arrived on 25 January 1658 east of Fort Carolusborg that was captured after two days, when the gate was opened in the morning.
Von Krusenstierna was arrested; the business assets (including about 185 kg of gold and several tons of ivory) and the ship "Stockholm Lock" were confiscated.
In order to give the whole the presence of a foreign company, there were two Hamburg merchants involved , but most participants were Amsterdammers, and the vessels were equipped there according to Lieuwe van Aitzema.
The Treaty of Roskilde or the Treaty of Copenhagen (1660) determined that the fort would be returned to Sweden, but when it appeared that Schmidt sold on 16 April 1659 all Danish possessions at the WIC Director Jasper van Heussen commissioned Carloff after it became known that Denmark was occupied by Sweden during the Dano-Swedish War (1657-1658).
The WIC planned to murder the brother of the king Fetu and an attack on the fort Carolus Borg.
In 1660 he bought a house on Keizersgracht, that had been rented out to the chemist Johann Rudolf Glauber, and almost next to Jan Valckenburgh, his former colleague on the Gold Coast.
He signed a contract on 8 February in Amsterdam to bring African slaves to the French West Indies in the next six years; for this merchandise, he received sugar in payment, shipped to France.
The fire caused heavy damages, and the Amsterdam stock exchange remained closed for several days.
Carloff was appointed by King William III as commissioner-general[9] the board was dedicated to him as soon as Tobago would be conquered.
On 21 February 1677 Admiral Jean d'Estrées arrived on the island with 24 ships and 1,000 men against some 700 soldiers, 100 settlers, and 15 vessels on the Dutch side.
On 12 December a French cannonball caused a huge explosion at the gunpowder storage of the fortress, and about 250 men were killed.