JAN III SOBIESKI (1629-1696), portrait of King Jan Sobieski accompanied by his son Jakub Sobieski with a shield bearing the coat of arms of the Kingdom of Poland, ca. 1680; above upper frame inscription: Der König in Polen Fig XXXVII; st. bdb., pas.-part; overall dimensions: ca. 240x298 mm; title on wavy ribbon: R DE POLOGNI.
Jakub Ludwik Sobieski (1667-1737), son of John III, prince of Poland, duke of Olawa in 1691-1737, starosta of Puck, pretender to the Polish throne .