"Sigbert Graf Heister (Kirchberg an der Raab, 1646 – Kirchberg an der Raab in Steiermark, 22 February 1718) was an Imperial Field marshal.
His father was Gottfried Heister (1609–1679), vice president of the Hofkriegsrat.
Sigbert fought in 1665 against the Turks, and later against the French. Because of his bravery and insight in combat, he reached the rank of General. He participated in the Battle of Vienna in 1683 and fought in the following Great Turkish War in Transylvania.He became General Major in 1686.
In 1689, Heister commanded the entire Infantry under Louis of Baden in the Battles of Batočina and Niš, and in 1693 he led his own army corps against the insurgents in Hungary.In 1697, Heister was one of the commanders under Eugene of Savoy, who defeated the Turks in the Battle of Zenta." - (en.wikipedia.org 30.01.2020)
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