The Duke of Aarschot (or Aerschot) was one of the most important aristocratic titles in the Low Countries, named after the Brabantian city of Aarschot. The title was held by the House of Croÿ and the House of Arenberg. The present Duke is Leopold-Engelbert-Evrard de Arenberg-Ligne.

Lords of Aarschot

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Margrave of Aarschot

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Dukes of Aarschot

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House of Croÿ

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House of Arenberg-Ligne

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