Left to Right: Wilhelm Ewert, Freiderika Martens, Theodore Ewert
| Freiderika Martens and Sons Left to Right: Wilhelm Ewert, Freiderika Martens, Theodore Ewert |
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| Freiderika Martens |  |
| Theodora Freiderika Johanna Martens (Ewert) circa 1900 |  |
| Theodora Freiderika Johanna Martens |  |