Jean Baptiste Soyer
NANCY CIRCA 1765 - AFTER 1810
PORTRAIT OF MARGARETHA BACHOFEN-HEITZ (1735-1819) AND HER HUSBAND MARTIN BACHOFEN (1727-1814)
By descent within the sitter's family until,
Marquis Patrick de Castellane-Norante;
sale, Geneva, Christie's, 13 November 1990, lot 236
Basel, 1912, no. 674;
Lausanne, 1999-2000, no. 295
Staehelin, 1919;
Blättel, 1992, p. 1417 & 1418, illust. p. 73;
Friesen (ed.), 2001, p. 428, nos. 350 & 351;
Lemoine-Bouchard, 2008, p. 473