Jan Hindriks Blaak  (I01446)
Name:
Jan Hindriks Blaak

Gender: Male Male
      

Birth: 29 August 1840 -- Sappemeer, Hoogezand-Sappemeer, Groningen, Netherlands
Death: 12 February 1917 -- Musselkanaal, Onstwedde, Groningen, Netherlands