After the Battle of Heiligerlee, the Dutch rebel leader Louis of Nassau failed to capture the city Groningen. Louis was driven away by Fernando Álvarez de Toledo, Duke of Alba and defeated at the Battle of Jemmingen on 21 July 1568.
The Spanish army consisted of 12,000 infantry , 3,000 cavalry, and some cannons. Louis of Nassau opposed them with 10,000 infantry , some cavalry, and 16 cannons.
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