Oldach, Julius (1804-30). Medium: gouache on parchment. Date: 1828. Jean Jacob Oldach, brother of the artist; Die Familie des Backmeisters Johann Friedrich Nikolaus Oldach; painted in celebration of the silver wedding anniversary of the artist's parents; scenes of the lives of the children; Provenance: Hamburger Kunsthalle, Hamburg, Germany. Photographic rights held by The Bridgeman Art Library.