- Abraham Grau
- Ada Helen Grau
- Bertha R. Grau
- Carrie Grau
- Celia Grau
- Emma Grau
- Hans-Johann Grau
- Herman Grau
- Jacob Grau
- Joseph Grau
- Jules Grau
- Julius Grau
- Ludwig Grau
- Maurice Grau
- Minnie Grau
- Pauline R. Grau
- Robert Grau
- Rosalie Grau
- Sabine Grau
- Samuel Grau
- Siegfried Grau