was published (1742-1747), as well as a catalogue of the exhibits titled Musei imperialis petropolitani (1741-1745). His correspondences with Kirillov, Blumentrost and others was published in 1866 by Piotr Pekarski (1828-1872). In 1750 he was made a state counselor. Having grown senile, he was pensioned off in 1757 and died in 1761 at Saint Petersburg. He was married to Anna Dorothea von Velten, daughter of Johann Velten, head cook of Peter the Great. Empress Elisabeth gave him the estate of Unipiha on 4 October 1759. His widow remained in possession of the estate until 1768. His daughter, Eleonora Dorothea, was married twice, first 1750 to Johann Casper Taubert and after hist death, to Petr Stupishin(1718–1782). His other daughter, Anna Dorothea von Schumacher (1730-1801), was married twice, first to Johann VII Burchard von Béllawary, then to Johann Amman. Notes Bibliography • Gabriel Braeuner, « Jean Daniel Schumacher », in Nouveau dictionnaire de biographie alsacienne, vol. 34, p. 3554 • (ru) Article biographique de l'Encyclopédie Brockhaus et Efron (1890-1907) • Geschichte deer Stadt Colmar und der umliegenden Gegend (pages-250-251), Théodore-François-Xavier Hunkle, 1838 • De Kunstkamera (pages 173-175), Peter de Grote, Uitgeverij Verloren, 2006 External links • (ru) Notice biographique issue du site officiel de la Kunstkamera Sources • Rostislav de Kotzebue: History and genealogy of the Kotzebue Family, éditions Her-vas, Paris, 1984 • L. von Stryk: Beiträge zur Geschichte der Rittergüter Livlands, volume 1, H. v. Hirschheydt, 1969 • (ru) This article is drawn primarily from the correspondent Russian and French articles, but also indebted to the German article 1690 births 1761 deaths People from Colmar