Count Magnus Stenbock was a Swedish field marshal (Fältmarskalk) and Royal Councillor. A renowned commander of the Carolean Army during the Great Northern War, he was a prominent member of the Stenbock family. He studied at Uppsala University and joined the Swedish Army during the Nine Years' War, where he participated in the Battle of Fleurus in 1690. After the battle, he was appointed lieutenant colonel, entered Holy Roman service as Adjutant General, and married Eva Magdalena Oxenstierna, daughter of statesman Bengt Gabrielsson Oxenstierna. Returning to Swedish service he received colonelcy of a regiment in Wismar, and later became colonel of the Kalmar and then Dalarna regiments.