William I, Elector Of Hesse

Upon the death of his father on October 31 1785 he became William IX, Landgrave of Hesse-Kassel and as such, is said to have inherited one of the largest fortunes in Europe at the time.

Due in part to the wealth of his estate, William is especially notable for his role in affording Mayer Amschel Rothschild both the relationship, and situational means, for founding the Rothschild Family dynasty. Also, though acquainted since 1775, William IX didn't formally designate Rothschild as overseer until 1801.

In 1803 he was created Elector of Hesse but in 1806 his electorate was annexed by the Kingdom Of Westphalia , ruled by Jérôme Bonaparte . Following the defeat of the Napoleonic armies in the Battle Of Leipzig , he was restored in 1813 , and ruled until his death in 1821.

He was succeeded by his son William .

	Title	Landgrave Of Hesse-Kassel
	Years	31 October 1785 &ndash February 27 1821
	Before	Frederick II

	Title	Elector of Hesse
	Years	1803 &ndash February 27 1821
	Before	creation

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William I, Elector Of Hesse