Johann Peter Kraft, son of Johann Martin Kraft & Elisabeth Christina Schuchmann, was born 26 June 1746 in Nieder-Modau, just south of Ober-Ramstadt. He was the second youngest of 10 children.
Peter immigrated to Russia, arriving in Oranienbaum on 4 July 1766 aboard the ship Der Junge Heinrich under the command of skipper Henrich Niemann.
He settled in the Volga German colony of Straub on 12 July 1767 and is recorded there on the 1767 Census in Household No. 49 along with his new wife Maria Eva (age 19).