Name, first name, origin: Koch, Heinrich August Friedrich, Dorste Birthday / age: January 6, 1843 Occupation / status: Parents: Koch, Heinrich (journeyman) Mitauswanderer: Faith: Destination (country / place): America Date of emigration / registration: before 1871 Financial situation: Other: Entry in the Easter or guardianship book [main no. 421] from May 25, 1871 reads: "The pupil sub 1. emigrated to America several years ago and took away its assets." Brother: Heinrich August Ludwig (born February 23, 1845)