John Hacker of Twn. of Berry,Dane Co. WI
I am looking for information on the parents and siblings of my great great grandfather John (Johanne) Hacker born in Treptow on the Tolense, Mecklenburg-Schwerin, Germany (near Berlin).He came to the United States and fought in Civil War in the 1st Wisconsin.His first wife was Juliane Tesch, second Mary Luszire.He lived to be 90 years old.According to his obituary one of the people attending was Lukes Hacker.Who was he?The obituary aslo states that he was the last remaining member of the "Hacker Union."What was that?