HARDENBERG, Bastiaan * 1775 in Noorddijk (NL)?, + 18.07.1800 in Groningen (NL)
HARDENBERG, Egtbert Jan * 05.10.1798 in Groningen (NL), + 07.03.1858 in Wildervank (NL)
HARDENBERG, Maria Anna * 1830 in , + 1877 in