Dutch Captain: Pieter Bonsart

Pieter Bonsart served the Admiralty of the Noorderkwartier. He fought in the Battle of Lowestoft and commanded the ship Drie Helden Davids (50 guns). He was assigned to Cornelis Evertsen de Oude's 6th Squadron. On August 18, he was with the States' fleet, still in Cornelis Evertsen's squadron. The fleet was divided into four squadrons. On September 13, 1665, he was still in Cornelis Evertsen's squadron, in De Ruyter's fleet. At this date, the fleet was divided into two squadrons. He commanded the same ship all this time. Sources:

1. Gerard Brandt, Het Leven en Bedrijif van den Heere Michiel de Ruiter, 1687.
2. Frank Fox, A Distant Storm: the Four Days' Battle of 1666, 1996.