Mathæus Freÿ from Seligenstadt & Sara Schneider were married on 4 March 1766 in the Lutheran Church of Büdingen.
Matthias Frei and his wife Sara arrived from Lübeck at the port of Oranienbaum on 18 June 1766 aboard the ship Die Perle under the command of Skipper Thomson.
They settled in the Volga German colony of Leichtling on 14 May 1767 and are recorded there on the 1767 census in Household No. 39.
Mattias Frei and his family are recorded on the 1798 census of Leichtling in Household No. Lg24.
Peter Frei and his brothers Joseph and Johannes, sons of Mattias Frei, are recorded on the 1834 census of Köhler in Household No. 172.
The death of Peter Frei in 1840 is recorded on the 1850 census of Köhler in Household No. 236.
Joseph Frei, son of Mattias Frei, and his family are recorded on the 1857 census of Köhler in Household No. 249 along with a note that they relocated to the daughter colony of Josefstal in 1852.
The Oranienbaum passenger list records that Matthias Frei was a shipwright while the 1767 census records that he was a farmer.
The 1767 census records that Matthias Frei is from the German village of Seligenstadt in the region of Mainz.
- 1834 Köhler Census (Household No. 172).
- 1850 Köhler Census (Households No. 236, 237, 238).
- 1857 Köhler Census (Households No. 248, 249, 250).
- 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): Lg24.
- Mai, Brent Alan and Dona Reeves-Marquardt, German Migration to the Russian Volga (1764-1767) (Lincoln, NE: American Historical Society of Germans from Russia, 2003): #365.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 60.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #1050.