My family name is engerson but my real family is Jewish?

Question:

My family name is engerson but my real family is Jewish?

trying to find my jewish roots.
my roots are not engerson.so who am i?
my family changed there last name to engerson.
why the war.the last i hear of my roots was on a ship in new york.they used a false name. i dont know my last name.
i was given up at birth.

Best Answer - Chosen by Asker: You'd have to find the Naturalization petition for the ancestors and see which aliases they've used, what the family surname was on the passenger records, and which town they left behind in Europe.