Is this his death certificate?
"Virginia, Death Certificates, 1912-1987," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVR7-GF3Q : 16 August 2019), Charlie H Shields, 26 Jan 1923; from "Virginia, Marriage Records, 1700-1850," database and images, Ancestry (http://www.ancestry.com : 2012); citing , Pittsylvania, Virginia, United States, entry #, Virginia Department of Health, Richmond.
It says his mother's name was Bettie Shields, but his wife (who provided the information) didn't know his father. I can't find him with a birth family in the 1870 or 1880 Census.
Edit to add: This marriage record lists his mother as Mary Shields, but doesn't name a father.
"Virginia, Bureau of Vital Statistics, County Marriage Registers, 1853-1935," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:CGYS-XLN2 : 21 January 2022), Charles H Shields and Mary C Towler, 27 Dec 1888; citing Marriage Registration, Pittsylvania, Virginia, United States, Virginia State Library and Archives, Richmond.