Antonio Saulino had an older brother, Michael, also called Michele, who was born in Isernia, Molise, Italy on Jan 1, 1870. He later lived and died in Philadelphia. He could be your Michael's father. His wife was Antoinette. Among his children was a son, Michael.
Check his Declaration of Intention No. 1685, and his Petition for Naturaliztion, No. 4330.
These may help you if it is the right person.