Franz von Mercy

Franz von Mercy
Born	1597 Longwy, Lorraine, Holy Roman Empire
Died	(1645-08-03)3 August 1645 (aged 48) Alerheim, Bavaria
Resting place	Ingolstadt 48°45′49″N 11°25′29″E / 48.76361°N 11.42472°E / 48.76361; 11.42472
Parents	Pierre Ernest de Mercy (d. 1619) (father) Anne du Hautoy (mother)
Military service
Allegiance	Holy Roman Empire  Bavaria
Branch	Imperial Army
Years of service	1618–1645
Rank	Generalfeldmarschall
Conflicts	Thirty Years' War • Battle of Breitenfeld (1631) (WIA) • Siege of Konstanz (1633) • Siege of Colmar (1636) • Siege of Dole (1636) • Siege of Héricourt (1637) • Battle against Reinhold von Rosen (1637) • Battle of Wolfenbüttel (1641) • Battle of Tuttlingen (1643) • Siege of Überlingen (1644) • Blockade of Hohentwiel Castle (1644) • Siege of Freiburg (1644) • Battle of Freiburg (1644) • Battle of Herbsthausen (1645) • Battle of Nördlingen (1645) †

Franz Freiherr von Mercy (or Merci), Lord of Mandre and Collenburg (c. 1597 – 3 August 1645), was a German field marshal in the Thirty Years' War who fought for the Imperial side and was commander-in-chief of the Bavarian army from 1643 to 1645. In that role, he destroyed a French army at Tuttlingen (1643), stalemated another at Freiburg (1644), destroyed a third French army at Herbsthausen (1645) and was killed at the Second Battle of Nördlingen (1645).