Suggestion: Maybe post the names of the spouses and children of those offspring? Descendants might need a little more help to recognize the connection. Locations in the USA for any sibs who immigrated would also help you make your connections.
Apparently Christian was born in Warnitz sogn, Aabenraa amt and Ellen in Halk sogn.
1860 Haderslev, Haderslev, Sønder Starup, Lunding Bye, Landboelssted, 26 F1, FT-1860, C8036 Christian Petersen 33 Gift Landmand, Huusfader Warnitz Sogn Aabenraa Amt Ellen Jensen Schmidt 30 Gift hans Kone Halk Sogn Elisabeth Petersen 3 Ugift deres Barn Starup Cathrine Marie Petersen 1 Ugift deres Barn Starup