I think these are your people.

Here is Schlome Muhlbauer 15 & father Baruch arriving 11 Nov 1913 from Kossow, Galicia
https://www.familysearch.org/ark:/61903/1:1:JNPR-3ZS

Here is father Benjamin / Baruch naturalization records 
Wife = Mollie
Children = Samuel born 12 June 1899 & Ida born 20 Aug 1907
https://www.familysearch.org/ark:/61903/3:1:3QS7-89MX-99WS-7?i=333&cc=1999177

Sister Ida's marriage.  20 Oct 1928 to Philip Grodin
Lists her mother as Molie Pearl and father as Benjamin
https://www.familysearch.org/ark:/61903/1:1:24CB-PKD