Jan W. Speerger
- Aha: Jan W. Speerger
- Ewu ewu: 0.937
- Mara maka: Acting
- Ubochi omumu: 1896-04-29
- Ebe amụrụ onye: Adamov, Ceské Budejovice District, Bohemia, Austria-Hungary [now Czech Republic]
- Homepage:
- A makwaara Dị ka: Ян В. Спеэргер, Ян Вацлав Спеэргер, Ян В. Спеергер