He began by purchasing all the land south of Fort Christina all the way to Bombay Hook from the Native Americans.

When the Swedish commander, Johan Risingh first arrived to the Delaware River in late May 1654, he sailed a ship up to the fort and sent out a sloop with 20–30 men.

[2] Since there was no gunpowder in the fortress,[3] the Dutch commander, Gerrit Bicker, decided to surrender the fort to the Swedes.

He waited for the Swedish soldiers outside of the fortress, "in front of the gate", which was left open.

[2][5][6] Risingh also gave the newly renamed fortress a strong garrison, Which allowed the Swedes to control the Delaware River.