Alexander Leslie, 1st Earl of Leven

Alexander Leslie, 1st Earl of Leven
Sir Alexander Leslie
Born	c. 1580
Died	4 April 1661 (aged 80–81) Balgonie Castle, Fife, Scotland
Allegiance	Covenanter Scotland  Kingdom of Scotland  Kingdom of Sweden
Years of service	c. 1605 – 1647
Rank	Field Marshal (Sweden) Lord General of the Army of the Covenant (Scotland) Lord General of the Army of Both Kingdoms (Scotland and England)
Commands held	Army of the Weser Army of Both Kingdoms Army of the Solemn League and Covenant
Battles/wars	Thirty Years' War Siege of Stralsund Battle of Lützen Battle of Wittstock Bishops' Wars Siege of Edinburgh Castle Battle of Newburn English Civil War First English Civil War Siege of Newcastle Battle of Boldon Hill Siege of York Battle of Marston Moor Siege of Carlisle Second English Civil War Whiggamore Raid
Spouse(s)	Agnes Renton (died c. 1651)
Children	Gustavus Alexander Barbara Christian Anne Margaret Mary

Alexander Leslie, 1st Earl of Leven (c. 1580 – 4 April 1661) was a Scottish military officer and peer. Born illegitimate and raised as a foster child, he subsequently advanced to the rank of field marshal in Swedish Army, and in Scotland became Lord General in command of the Army of the Covenanters, a privy councillor, captain of Edinburgh Castle, Lord Balgonie and Earl of Leven. In England he commanded the Army of the Solemn League and Covenant and was senior commander of the Army of Both Kingdoms (1642–1647). Leslie served in the Thirty Years' War, the Bishops' Wars, and most of the English Civil War, fighting primarily in the First English Civil War. Leslie would live a long life, dying roughly at the age of 80 or 81.