Simon HIRKOWSKI, 1829-
Frank Landowski's great-uncle

 Father Jacob HIRKOWSKI
 Mother Theresia BRUSKA Hirkowski
       Sister Agnes HIRKOWSKA, 1828-1828
       Simon HIRKOWSKI, 1829-
       Brother Franz "Frank" HYRKOWSKI, 1831-1906
       Sister Anna HIRKOWSKA, 1833-

Time Line

1829 - Born at Bruss, Kreis Konitz, West Prussia

1 March 1831, age 1 - Brother Franz "Frank" HYRKOWSKI born there

1833, age 3 - Sister Anna HIRKOWSKA born there