- Născută la 4. septembrie 1850 [in (place)] Ludwigstal, Aleksandrovsk, Ekaterinoslav, Ukraine
- Botezata la 10. septembrie 1850 [in (place)] Ludwigstal, Aleksandrovsk, Ekaterinoslav, Ukraine
Parinti
- Jacob Schäfer ([age at Maria Schäfer birth date] )
- Elisabetha Magdalena Fiedler ([age at Maria Schäfer birth date] )
Surse
- Nastere, botez: https://www.familysearch.org/ark:/61903/3:1:S3HT-6QPQ-NBW.