Found a list of Schaad siblings w/birth dates for anyone who may have or need additional information. Listing them from eldest to youngest:
Albert (aka Albin) -2/7/1882 - swiss
Lewis - 1/31/1883 - swiss
Emma Marie - 5/7/1884 - indiana
William - 10/23/1885 - indiana
Leo - 10/30/1886 - indiana
Otto - 1/22/1888 - indiana
Wilhelmina (sp?) - 4/10/1889 - indiana
Englebert Edward - 5/2/1892 - indiana
Arnold A. - 9/16/1894 - indiana
Emil Victor - 5/22/97 - indiana
Ervin (or Erwin?) Englebert - 5/20/1901 - indiana
Looks like their father is listed as Peter, but can't read mothers name at this time.
Please contact me if you have any information...Thanks!