Robert George Hilborn married as his 2nd wife Nancy Hannah,widow of John Hanna. They married 25 Mar 1862
Nancy was born a daughter of James Crawford.
Isaac b. 1863
Hepzibe b, 1865
Kathryn b. 1867
They lived on a farm in Cranberry Township
There is a full Bio of him in :
History of Crawford County and Ohio: Containing a History of the State of Ohio, from Its Earliest Settlement to the Present Time ... a History of Crawford County ... Biographical Sketches, Portraits of Some of the Early Settlers and Prominent Men, Etc
William Henry Perrin›, J. H. Battle›, Weston Arthur Goodspeed›
(ebook is available for free from Google Books) ROBERT G. HILBORN pg 991
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MX3P-MNC : 12 April 2016), Nancy Hanna in household of John Hanna, Vernon, Crawford, Ohio, United States; citing family 171, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZ15-YN3 : 15 September 2017), Nancy Hilborn in entry for Robert G Hilborn, 1880; citing enumeration district ED 99, sheet 374A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 1003; FHL microfilm 1,255,003.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:ML8W-G8V : accessed 27 April 2019), Nancy Hilburn in household of Frederick E Phillips, New Haven, Huron, Ohio, United States; citing enumeration district (ED) ED 29, sheet 13A, family 94, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1200; FHL microfilm 1,375,213.
Ancestry.com and Ohio Department of Health. Ohio, Death Records, 1908-1932, 1938-2007 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2010. Nancy Hilborn Death Date: 25 Sep 1917 Death Place: Richland, Ohio, USA
"Ohio Deaths, 1908-1953," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X639-2FK : 8 March 2018), Nancy Crawford in entry for Catherine Phillips, 26 Aug 1925; citing Plymouth, Richland, Ohio, reference fn 47916; FHL microfilm 1,992,678.