Original: He is best known by his West Frisian nickname '' Grutte Pier '' ( '' Big Pier '' in the Old Frisian spelling ) , or by the Dutch translations '' Grote Pier '' and '' Lange Pier '' , or , in Latin , '' Pierius Magnus '' , which referred to his legendary size and strength .
Simplified: Donia was also known as Grutte Pier , which means '' Big Lad '' , in Frisian language , or Grote Pier , which means the same in Dutch language .