Johann Martin Adam, a master wagon builder, and his first wife had six children according to the Gründau parish register, all born in Niedergründau: (1) Susanna Maria, born 22 September 1749, died 23 September 1749; (2) Johannes, born 17 March 1751, died 25 March 1752; (3 & 4) twins born on 21 July 1753, Johann Michael (died 21 July 1753), and Johann Conrad (died 27 July 1753); (5) Anna Catharina, born 16 January 1755, died 31 July 1758; and (6) Johannes, born 28 July 1758, died 19 August 1761.
Johann Martin remarried to Marianne Halde, daughter of Christian Halde, on 21 January 1762. The baptisms of two sons are recorded in the Gründau parish register: (1) Peter Ludwig, born 5 June 1762, baptized 9 June 1762 [a note in the register records that Marianne was pregnant when the couple married and that the father of the child is unknown], and (2) Georg Martin, born 2 November 1764, baptized 4 November 1764.
Martin Adam, a wheelright, his wife Maria Anna, and sons (Peter Ludwig, age 5; Georg Martin, age 2) arrived from Lübeck at the port of Oranienbaum on 9 August 1766 aboard the pink Sloan under the command of Lieutenant Sergey Panov.
They settled in the settled in the Volga German colony of Norka on 15 August 1767. Martin died, and his widow remarried to Joseph Kornborn. Marianna and her two sons (Peter Ludwig, age 6, and Georg Martin, age 3) are recorded on the 1767 Norka census in Household No. 62.
Peter Ludwig [Adam] (age 14) and his brother Georg Martin [Adam] (age 13) are recorded on the 1775 census of Norka in Household No. 138 along with their mother and stepfather Joseph Kornborn.
The Oranienbaum passenger list records that Martin Adam came from the German region of Isenburg.
- 1775 Norka Census (Household No. 138).
- List of those recruited by Johann Facius from 13 November 1765 to 18 February 1766.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Nr145.
- Parish register of Gründau.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 245.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #4027.