In 1683, he was one of the leaders of the raid on Veracruz.
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He was with de Graaf when they rendezvoused with the rest of the fleet from Petit-Goâve in February 1683.
Michiel van den Bos | Michiel Sweerts | Michiel Mol | Michiel van Kempen | Marcantonio Michiel | Michiel van Musscher | Michiel van Kampen | Michiel de Swaen | Michiel Andrieszoon |
Based out of Petit-Goâve, Willems participated in a number of expeditions against the Spanish during the early to mid-1680s with other well-known privateers including Michiel Andrieszoon, Thomas Paine, Laurens de Graaf, Nicholas van Hoorn and Michel de Grammont.