Anton Ockenfels was born circa 1796 .
- Anton is on a Passenger list for the Robert M Sloman arriving in the Port of New York from Antwerp, Belgium on May 12, 1855. He is listed as 59 years old and originating from Prussia (German) and headed to Wisconsin.
- On the ship with him, although listed two lines above him, is Anna M. Ockenfels. Her age, origin, destinations are all the same as his.
- Ten lines below him is Johann Ockenfels, age 24. Same origin and destination.
There is an Anton Ockenfels naturalized on June 22, 1878. He lists his arrival in New York in 1855 and was living in Milwaulkee. However, he lists his birth date as 1817. Witnesses were Michael Schilz and John Ockenfels.