# Johann Martin Frederick Steffen

Johann Martin Frederick Steffen; with Wilhelmina; parent of 1 child.

## Partners
- [Wilhelmina](/p/wilhelmina-28984.md)

## Children
- [Frederick Steffen](/p/frederick-steffen-28951.md)

---
Canonical HTML: https://smallworld.stallman.net.au/p/johann-martin-frederick-steffen-28983