Gertrud Ottilie Grein (Mayer-Radon)
- Date of birth:
- 28. April 1896
- Birthplace:
- Altona, Hamburg
- Date of death:
- 28. Dezember 1921
- Deceased in:
- Altona, Hamburg
- LEA file number:
- Residence:
- -
- Different spellings:
- -
Robert Haas
- Date of birth:
- 05. August 1904
- Birthplace:
- St. Johann, Saarbrücken
- Date of death:
- 31. Dezember 1969
- Deceased in:
- Hamburg-Altona, BRD
- LEA file number:
- Residence:
- Saarbrücken
- Different spellings:
- -