i am looking for information on frederick. the only thing i know about him is he was married (?)to hedwig a. nehring,they had a daughter named ottilia beatrice born august 14, 1883 in jefferson township,iowa.hedwig then turns up in wisconson married to gotthilf potratz and having 6 more children and ottilia is missing. ottilia is my step grandmother and frederick would be considered my stp great grandfather.i would really like to know more about all these people if possible.thank you.