He has/had a relationship with Magdalena Nagle.
Child(ren):
Michigan Deaths, 1867-1897
https://familysearch.org/ark:/61903/1:1:N3KV-ZLS
Michigan Deaths and Burials, 1800-1995
https://familysearch.org/ark:/61903/1:1:FHDD-DZ5
"Michigan Marriages, 1868-1925", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N3J9-GLB : 15 January 2019), Phillip Cromb in entry for Jerome Cromb and Anna Kellar, 1905.
"Michigan Marriages, 1822-1995", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FCNM-23T : 17 January 2020), Phillip Cromb in entry for Jerome Cromb, 1905.
"Michigan Marriages, 1822-1995", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FCPS-BC3 : 17 January 2020), Phillip Cromb in entry for Jerome Cromb, 1905.
This extracted record was used to create this person in Family Tree.