[2] Since Arthur Japin published his The Two Hearts of Kwasi Boachi (1997), the history of the Belanda Hitam has attracted renewed attention.

Ineke van Kessel, professor at the Centre for African Studies of Leiden University had met the late Edward Ulzen during her research of the history of the Belanda Hitam.

This meeting brought her into contact with his son Prof. Thaddeus Patrick Manus Ulzen, who attended the tenth biennial reunion of Belanda Hitam descendants in Schiedam in the Netherlands in September 2000, and announced on that occasion the decision of his family to provide a permanent site for a museum to preserve the history of the Belanda Hitam.

In a rather sad recurrence of history, Roelof died on ship during his voyage to the Netherlands, leaving his son an orphan as well.

After graduating in the Netherlands, Hermanus sails back to the Gold Coast in 1779, and it his grandson Manus Ulzen who was recruited for the Dutch East Indies Army.