1) Dutch surname 
Tielemans is a Dutch patronymic surname. Tieleman is a primarily archaic Dutch given name of possibly West Frisian origin. It had many spellings (e.g. Thielman, Tielman, Tilman, Tylman) and variations on the patronym include Thielemans, Thielman, Tieleman, Tielman, Tilleman and Tillemans . People with these surnames include: ...