Reinhold von Rosen (1605 – 8 December 1667) was a Baltic nobleman fighting for Sweden and France.
In 1632, at the Battle of Lützen in which Gustavus Adolphus fell, he commanded a cavalry regiment.
He then served Bernard of Saxe-Weimar On 17 July 1635 he successfully defended the Protestant town of Zweibrücken menaced by imperial troops.
When Bernard died in 1639, he and the entire Weimar army went into French service and served under Condé and Turenne.
You can help Wikipedia by expanding it.This biographical article related to the military of Sweden is a stub.