Kaspar Dietz, a farmer, and his family arrived from Lübeck at the port of Oranienbaum on 8 August 1766 aboard a ship under the command of Skipper Heidemann.
Kaspar died and his widow Maria married Johannes Milling and settled in the Volga German colony of Norka on 15 August 1767. Maria also died, and Johannes Milling remarried to widow Magdalena Bartel and they are recorded in Norka on the 1767 census in Household No. 118. Kaspar Dietz's surviving youngest daughter, Susanna (age 6), is also recorded in Household No. 118 on the 1767 census of Norka.
There do not appear to be any surviving male descendants of this family.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 260.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #4138.