Isaak Julius Blumenthal
- Date of birth:
- 05. März 1864
- Birthplace:
- Mark, Hamm, Westfalen
- Date of death:
- 29. September 1917
- Deceased in:
- L'Hôpital, Lothringen
- LEA file number:
- Residence:
- Saarlouis
- Different spellings:
- -
Abraham Blumenthal
- Date of birth:
- 27. August 1865
- Birthplace:
- Mark, Hamm, Westfalen
- Date of death:
- 18. April 1943
- Deceased in:
- Ghetto Theresienstadt
- LEA file number:
- Residence:
- -
- Different spellings:
- -