Captain: Jan Gijsen (or Gijzen)

Jan Gijsen (or Gijzen), from Hoorn, served the Admiralty of the Noorderkwartier. In July 1640, he was with a group of four ships that had gone to Vlissingen to revicutual. In 1640 and 1641, he was often operating with Lieven de Zeeuw, Paulus Coole, Govert Voorns, and Claes Ham. In late January 1643, he was off Flamborough Head. In October, he was with Tromp and a group of ships, including the Aemilia, the ships of Joris van Cats, Captains Bouckhorst, Joost Bankert, Swart, Dorrevelt, Frans Janszoon, Willem Janszoon Codde, Lieven de Zeeuw, Gerrit Meyndertszoon van Uyl, Verhaeff, Govert Voorens, and Ringelszoon. In 1646, he was with Tromp's fleet blockading Dunkirk. In 1648, he commanded the Witte Eenhoorn (30 guns) in Witte de With's relief fleet sent to Brazil. He arrived in Brazil in March 1648. He died on 28 September 1648 and was barried at Recief. His ship was taken over by Pieter Adriaenszoon, his lieutenant. Sources:

1. Dr. M.G. De Boer, Tromp en de Duinkerkers, 1949.
2. W. J. van Hoboken, Witte de With in Brazilië, 1955.