"Tjerk Hiddes de Vries (Sexbierum, 6 August 1622 - Flushing, 6 August 1666) was a naval hero and Dutch admiral from the seventeenth century. The French, who could not pronounce his name, called him Kiërkides. His name was also given as Tsjerk, Tierck or Tjerck." - (en.wikipedia.org 01.06.2021)