Stadhouder William IV Charles Henry Friso, Prince of Orange-Nassau (1711-1751), facing right in gilt-studded armour with red triming, white shirt with frilled cuff and lace cravat, red scarf tied around his waist, wearing the blue sash of the Order of the Garter, powdered wig en queue; landscape and sky background

William IV Henry Friso, Prince of Orange-Nassau, the son of John William Friso of Orange-Nassau and Maria Louisa of Hesse-Kassel, was born in 1711. He married Princess Anne of Hanover in 1734 and died at The Hague in 1751. William IV was the sponsor of the Swiss miniaturist Robert Mussard who painted him and his family several times. For other miniatures of William by Mussard, see K. E. Schaffers-Bodenhausen/M. E. Tiethoff-Spliethoff, The Portrait Miniatures in the Collections of The House of Orange-Nassau, Zwolle, 1993, pp. 26-26, 98.