Jonkheer Willem van Haren (21 February 1710 - 4 July 1768) was a Dutch nobleman and poet. Van Haren was born in Leeuwarden and died in Sint-Oedenrode.
Poetry Haren's best known work was an epic poem, Friso, written in 1741. He has also created Het menschelijk leven, 1760, a review of his life and another epic poem: Gevallen van Friso (Amsterdam, 1741), in which he describes the fate of the first king of the Frisians.Eeghen, I. van (1967) Letters of the Deutzenhofje. Madame de Nerha en Mirabeau, p. 26–33
His brother, Onno Zwier van Haren, was also a poet and wrote patriotic verses.
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