sentences:  These depictions include "Idun" (statue, 1821) by H. E. Freund, "Idun" (statue, 1843) and "Idun som bortrövas av jätten Tjasse i örnhamn" (plaster statue, 1856) by C. G. Qvarnström, "Brage sittande vid harpan, Idun stående bakom honom" (1846) by Nils Blommér, "Iduns Rückkehr nach Valhalla" by C. Hansen (resulting in an 1862 woodcut modeled on the painting by C. Hammer), "Bragi und Idun, Balder und Nanna" (drawing, 1882) by K. Ehrenberg, "Idun and the Apples" (1890) by J. Doyle Penrose, "Brita as Iduna" (1901) by Carl Larsson, "Loki och Idun" (1911) by John Bauer, "Idun" (watercolor, 1905) by B. E. Ward, and "Idun" (1901) by E. Doepler.The 19th-century composer Richard Wagner's "Der Ring des Nibelungen" opera cycle features Freia, a version of the goddess Freyja combined with the Iðunn.Idunn Mons, a mons of the planet Venus, is named after Iðunn.