| Johann Berkau (1810 - 1888) |
Johann Wieczorek (1805 - ) |
| Regina Rosochatzki |
Regina Dorsch (Dors) |
| Martin Berkau | Luise Wieczorek |
| b. 27 Oct 1839, Schwentainen, Ortelsburg, East Prussia d. 27 Jan 1888, Schwentainen, Ortelsburg, East Prussia, age: 48 bur. occ. bp. . mi. res. |
b. 31 Aug 1840, Schwentainen, Ortelsburg, East Prussia d. 16 Jun 1883, Schwentainen, Ortelsburg, East Prussia, age: 42 bur. occ. bp. . mi. res. |
| Michael Berkau Frederick W. Berkau |