I think this is them.It looks like they spent time in New Castle, PA.
New York Passenger Lists, 1820-1957
Name Arrival Date Birth Year Port of Departure Ethnicity/ Nationality Ship Name
Elisabetha Endrizzi 19 May 1906 abt 1877 Havre German La Savoie Clara Endrizzi 19 May 1906 abt 1897 Havre German La Savoie Rodolfo Endrizzi 19 May 1906 abt 1899 Havre German La Savoie Guglielmo Endrizzi 19 May 1906 abt 1900 Havre German La Savoie
She stated she was going to visit her brother, Peter Yaeger, in New Castle, PA.
Guglielmo g(u)-gliel-mo, gug-lie-lmo as a boy's name is a variant of Guillaume (Old German) and William (Old German), and the meaning of Guglielmo is "will helmet, protection".
Rudolph or Rudolf (French: Rodolphe, Italian and Spanish: Rodolfo) or Rodolphe is a male first name, and, less commonly, a surname.