[1] Some time at the end of the seventeenth century, Van Nyendael employed himself at the Dutch West India Company.
[1] Van Nyendael was installed as sub-factor, employed on ships sailing West Africa to ensure smooth barter trade with local peoples.
His detailed description of this journey was included as an appendix to Willem Bosman's Nauwkeurige beschrijving van de Guinese Goud- Tand- en Slavekust (1703).
[2] The Battle of Feyiase (1701) brought great changes in the power relations of the native African peoples on the Gold Coast.
For this reason, the 300 year anniversary of diplomatic ties between Ghana and the Netherlands was celebrated in 2002, with Dutch Crown Prince Willem-Alexander and his wife Máxima visiting Ghana between 14 and 17 April, and with Ashanti king Otumfuo Nana Osei Tutu II visiting the Netherlands in June.