Johann Berkau(20 Jun 1810 - 6 Mar 1888)Johann Wieczorek(19 Jul 1805 - )
m. 4 Feb 1864
b. 27 Oct 1839, Schwentainen, Ortelsburg, East Prussia
d. 27 Jan 1888, Schwentainen, Ortelsburg, East Prussia, age: 48
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b. 31 Aug 1840, Schwentainen, Ortelsburg, East Prussia
d. 16 Jun 1883, Schwentainen, Ortelsburg, East Prussia, age: 42
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Children
Michael Berkau(20 Sep 1870 - 21 Mar 1920)
Frederick W. Berkau(15 Dec 1876 - 14 Jan 1953)