Sigismund III Vasa
Ebba Stenbock was noted for her fearless conduct toward Duke Charles. In the civil war the erupted in 1595 when Sigismund III Vasa was challenged by his uncle, the future Charles IX of Sweden, her spouse was one of the strongest supporters of Sigismund III Vasa and opposed to Charles IX of Sweden, and held the Swedish province of Finland against Duke Charles. In parallel, the Cudgel War erupted in Finland in 1596.