Keywords: Heinrich Friedrich von Diez.jpg author 1791 painting unknown http //altedrucke staatsbibliothek-berlin de/de/sammlungen/bibl_diez html other versions PD-old-100 DEFAULTSORT 1791; Heinrich Friedrich von Diez 18th-century unidentified painters 18th-century portrait paintings location missing 1791 portrait paintings Male 1750 births 1817 deaths 18th-century diplomats 18th-century men of Germany 18th-century oval portrait paintings of men 18th-century portrait paintings of men at bust length Diplomats of Prussia Diez Heinrich Friedrich von Orientalists from Germany Diez Heinrich Friedrich von Portrait paintings with grey background Powdered wigs in art Red clothing in art male Males with red coats in art Three-quarter view portrait paintings of men facing right |