- Detailed Facts for Alphonse DREYFUS and Julia HALFF
- Born 21 June 1825 in Lauterbourg, Bas-Rhin, Alsace, France
- Residence 1865 in Louisiana, USA
- Residence 1870 in Galveston, Galveston, Texas, USA
- Residence 1880 in Galveston, Galveston, Texas, USA
- Residence 1900 in Natchitoches, Natchitoches, Louisiana, USA
- Died 21 August 1901 in Galveston, Galveston, Texas, USA
- Buried in Galveston, Galveston, Texas, USA
- with Julia HALFF:
Married in France
