Here is a source that involves his son ..
mentioned in the record of Jones Hybred Kelly
||Jones Hybred Kelly|
||09 Aug 1941|
||Ransom, Columbus, North Carolina|
||10 Aug 1941|
||21 Mar 1850|
||Pender Co, Nc|
CITING THIS RECORD
"North Carolina Deaths, 1931-1994," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:FPG4-7KQ : 2 July 2015), Robert Kelly in entry for Jones Hybred Kelly, 09 Aug 1941; citing Ransom, Columbus, North Carolina, fn 2291 cn 411, State Department of Archives and History, Raleigh; FHL microfilm 1,943,204.
here is a family tree source
"Born in North Carolina, USA on 18 Dec 1822. Robert Henry married Zilphia Potter and had 3 children. Robert Henry married Zylphin Potter and had 8 children. He passed away on 5 Apr 1904. "
and two Find A Grave entries with links to children ..
Here is a source that involves a daughter ..
"North Carolina Marriages, 1759-1979," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:F837-XFX : 29 December 2014), Zelphia Kelly in entry for C. V. Pridgen and Sophia Kelly, 09 Jun 1873; citing Caswell Township, New Hanover County, North Carolina, reference P 421; FHL microfilm 276,116.