• Was a Flemish printmaker, painter, draughtsman, publisher and printer.
• Arnold van Westerhout was born in Antwerp.
• As he showed a talent for drawing at a young age, his father placed him in apprenticeship with Alexander Goetiers.
• He became a master of the Guild in the guild year 1673–1674 and was registered as a painter.
• Arnold allegedly worked from 1665 to 1673 in Prague in the studio of his older brother Alexander.
• While in Antwerp Arnold worked mainly as a draughtsman and as an engraver.
• Van Westerhout had left Antwerp and was residing in Venice in 1679.
• By 1681 van Westerhout had left Venice and was living in Rome. • Here he is recorded as living in the residence of the Dutch painter and engraver Cornelis Bloemaert.
• Cornelis Bloemaert named him the executor of his will.
• Not long after moving to Rome, van Westerhout was able to become one of the city's most prominent engravers.
• One of his biggest assignments was the engraved illustrations of Giovanni Ciampini's Vetera Monimenta.
• Van Westerhout cut the engravings after drawings by Giovanni Battista Lenardi.
• Arnold was married twice in Italy.
• In Florence he married Angela de Pulco from Cittâ di Castello and in Rome he married Magdalena Antonini.
• He died in Rome on 18 April 1725.