- Partnership with: Anna Martha Lydia KALLESKE
Marriage: 1894, Greenock, South Australia
- Child: Martha Alma GUNDER Birth: 10 SEP 1893, Moppa, South Australia
- Child: Clara Agnes GUNDER Birth: 13 JAN 1895, Neukirch, South Australia
- Child: Lydia Elsa GUNDER Birth: 3 NOV 1896, Neukirch, South Australia
- Child: Johannes Bernhard GUNDER Birth: 13 OCT 1898, Neukirch, South Australia
- Child: Johannes Emmanuel GUNDER Birth: 27 JUL 1900, Neukirch, South Australia
- Child: Regina Alvera GUNDER Birth: 1906
- Child: Leslie Victor GUNDER Birth: 1910
Ancestors of Johannes August Theodor GUNDER
/-Heindrich August GUNDER
Johannes August Theodor GUNDER
\-Louise Friedericke Dorothea MUELLER
Descendants of Johannes August Theodor GUNDER
1 Johannes August Theodor GUNDER
=Anna Martha Lydia KALLESKE Marriage: 1894, Greenock, South Australia
2 Martha Alma GUNDER
2 Clara Agnes GUNDER
2 Lydia Elsa GUNDER
=Albert Francis DUNNCLIFF
2 Johannes Bernhard GUNDER
=Verline May BOWDEN
2 Johannes Emmanuel GUNDER
2 Regina Alvera GUNDER
2 Leslie Victor GUNDER