Looking for Family of Creca Crecal Kapamadjian Capamagian of Nebraska

Believed to be in OMAHA,Nabraska 1860-1895
Believed entered America from England about 1860-5 and of Armenian family,And arrived with Hagop Hagop Capamagian/Kapamadjian last contact with our Family about 1895 , They may have changed there surname in America or on arrival ,But due to H.H.Capamagian being killed in Chicago in 1877 , His family returned to England and then moved to New Zealand . Please if you recognize them please let me know ,and solve a problem over a hundred years old . Thanks