One of a series of 22 portraits of Polish kings commissioned for the Marble Room at the Royal Castle in Warsaw. The painting is listed in the 1795 catalogue of the Stanisław August collection under no. 1176. Jan Sobieski of the Janina coat of arms (1624–96), King of Poland (reg. 1674–96) as Jan III. Inscribed on the back: IOANNES III=/ SOBIESKI./ Natus 1624. Electus 20. Maij./ Ao 1674. Coronatus 2. Febr. 1676./ et Privatus & Rex Musulmanorum/ Victor, Vienna d. 12. 7bris. Ao 1683./â Turcica Obsidione liberavit. /Literatus, Eloquens./ Vituperia tame Civiu non effugit,/ Vespasiano comparatus./ Obijt Villanovae, d: 17. Iunij/ Ao 1697./ Aetatis suae Ao 72./ Regni 22./ Nro 20. The marble plaque beneath the painting is inscribed: JOHANNES III/ + MDCXCVI.