For the attribution compare the portrait of a family of circa 1810 in the Rosgarten Museum, Konstanz (Badisches Landesmuseum, exhibition catalogue, Karlsruhe, 1965/6, n04).
The Rehmen-Vorarlberg born artist took his apprenticeship in Constance as a painter of room decorations. Through the recommendation of Kurfürst Karl Theodor, he entered the Academy of Mannheim in 1775. He was mostly active in Constance and is recorded to have received commissions from the Baden and the Württemberg courts (Badisches Landesmuseums, exhibition catalogue, Karlsruhe, 1965/6, under no4).
The sitters married on 15 October 1798.
See colour illustration of one