Familie: Otto Langecker / Margarete Johanna Gronostay (F656)
 | Johann Gronostay ( -1945) 
|
 | Auguste Waschulewski ( -1945) |
| Johann Gronostay (1907-1907) |
| Auguste Gronostay (1907-1907) |
| Bruno Paul Gronostay (1909-1944) |
| Erich Hans Gronostay (1913- ) |
| Otto Langecker (1891-1944) |
| Margarete Johanna Gronostay (1910- )
|