Jankiel Jakob Federmann
- Date of birth:
- 29. Mai 1865
- Birthplace:
- Piotrkowice, Polen
- Date of death:
- 26. Dezember 1918
- Deceased in:
- Morawica, Polen
- LEA file number:
- Residence:
- -
- Different spellings:
- -
Malka Laja Prajs (Federmann)
- Date of birth:
- 27. September 1861
- Birthplace:
- Wislica, Polen
- Date of death:
- 13. September 1907
- Deceased in:
- Morawica, Polen
- LEA file number:
- Residence:
- -
- Different spellings:
- -