If you check the blm site further you will find some BROWNs early in Tuscarawas Co.Also Geo ROBINET of Tuscarawas Co had land patent 1827 Holmes Co.
Not finding BROWN/ROBINETT marriage.
HOLMES CO OH Canaan Baptist Church Cemetery, Salt Creek Twp ROBINETTE James d 1-15-1837 ae 87 Rev War Vet w/Mary d 4-8-1843 ae 82[unconfirmed...nee FICKES] Rebecca 10-24-1885 83y 6m 6d Hannah 4-2-1874 74y3m 24d
Slutts Family Cemetery, Salt Creek Twp ROBINETTE George 1848 ae 62 w/Hannah 1838 ae 47 Milo 1893 ae 62 Jacob 1896 ae 58 Margaret nee ORR 1908? ae 72 John 1849-1913 George 1892 ae 74 w/Franey nee SHOUP 1879 ae 63
The source is no longer known to me, but many yrs ago a researcher stated Hannah's maiden name is FISKUS, but again, needs verification, but looks good to be correct....