Do you have birth dates for any of the brothers?

Here are a couple of possible records:

This one caught my eye because of the birth place:

World War II Draft Registration Card
Walenty Frank Prusik
336 13th St, Ambridge, Beaver County, Pennsylvania
age: 49
born: 31 December 1892 in Piasecznia, Poland
Name and Address of person who will always know your address: Mrs. Victoria Prusik
Employer: J & L Steel Corporation, Aliquippa, PA
White
5'5", 140 pounds
Brown eyes, gray hair
Other obvious physical characteristics that will aid in identification: Wooden leg
Filed: 27 April 1942 in Ashley, Luzerne County, Pennsylvania




New York Passenger Lists
Ship: Hannover
Arrival: 5 February 1905
Line 15: Stanislaw Prusaczyk, 20, m, Laborer, Polish, Kadridlo, Delansey, PA, brother, brother Konstanty Prusaczyk,