I am looking for ancestors and descendants of Peter Kastenholz from Cologne (Köln-Niehl). He arrived in the USA in 1924 and first stayed with his aunt Margaretha Hausen in Chicago, Ill. One of my grand uncles told me that Peter had two sons from whome one was a professional soldier in the US Army. According to the documents from Ellis Island, Peter's father was a Wilhelm Kastenholz.
It would be great if anybody could help me with information about Peter Kastenholz and / or his sons respectively his ancestors / family relatives.
Thank you in advance for your help.