(1) He is married to Jacoba de Witt.
They got married on May 28, 1780 at Scheveningen, he was 25 years old.Source 2
(2) He is married to Jacomina Maria Koek.
They were engaged on August 29, 1789 at Malakka.
They got married on September 12, 1789 at Malakka, he was 35 years old.Sources 1, 6(3) He is married to Johanna Segelke van Sell.
They got married on October 10, 1813, he was 59 years old.Source 5