Jan Willem Janssens

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Jonkheer Jan Willem Janssens GCMWO
Portrait by Jan Pieneman, c. 1815–1838
Governor-General of the Dutch East Indies
In office 15 May 1811 – 18 September 1811
Monarch	Napoleon Bonaparte
Preceded by	Herman Willem Daendels
Succeeded by	Robert Rollo Gillespie (as Lieutenant-Governor under British administration)
Governor of the Dutch Cape Colony
In office 1 March 1803 – 18 January 1806
Appointed by	Batavian Republic
Preceded by	Jacob Abraham Uitenhage de Mist
Succeeded by	David Baird (British administration)
Personal details
Born	(1762-10-12)12 October 1762 Nijmegen, Dutch Republic
Died	23 May 1838(1838-05-23) (aged 75) The Hague, Netherlands
Spouses	Anna Barbara Balneavis ​ ​ (m. 1786; died 1801)​ Sara Hartsen ​ (m. 1822)​
Children	with Anna Balneavis Anna Janssens (daughter) Henri Janssens (son) Adriana Janssens (daughter) Jan Janssens Jr. (son) with Sara Hartsen Louis Janssens (son)
Parents	Johan Janssens (father) Adriana Rees (mother)
Military service
Allegiance	French First Republic First French Empire Batavian Republic Kingdom of Holland Netherlands
Branch/service	French Imperial Army Batavian Army
Years of service	1774–1815
Rank	Divisional general
Commands	Infantry Division
Battles/wars	French Revolutionary Wars War of the Third Coalition Battle of Blaauwberg War of the Fifth Coalition British conquest of Java War of the Sixth Coalition Battle of Arcis-sur-Aube
Awards	Order of the Union Legion of Honour Military William Order

Jonkheer Jan Willem Janssens GCMWO (12 October 1762 – 23 May 1838) was a Dutch nobleman, soldier and statesman who served both as the governor of the Dutch Cape Colony and governor-general of the Dutch East Indies.^[1]