Ka cika wannan jumla: A shekara ta 1650, Spaen ya yi aiki a matsayin Landdrost, mai ba da shawara na gwamnati, da Oberst (kolonel), kuma ya zama shugaban rundunar sojan doki a shekara mai zuwa. A shekara ta 1654 ya kama Dietrich Karl zu Wylich-Winnenthal, shugaban tawayen da ke adawa da Elector Frederick William, kuma ya kawo shi zuwa Spandau. Spaen ya jagoranci masu tsaron doki na Prussia ("Leibregiment zu Pferde") a lokacin Yakin Arewa, yana shiga cikin
Yaƙin Warsaw. An sake tura Kanar a Lower Rhine a shekara ta 1656. Ya zama kwamandan Kalkar a ranar 27 ga Mayu 1657 kuma an daukaka shi zuwa Major General a shekara mai zuwa. A ranar 25 ga Mayu, 1661, Spaen ya sami taken Freiherr daga Sarkin Roma Mai Tsarki.