↑Conrwall Marriage Index. (Family History Online by the Federation of Family History Societies (FFHS).) Marriage of John Greenwood Bone & Grace Roberts 1804.
Groom's forenames: John Greenwood Groom's surname: BONE Date: 4 Nov 1804 Bride's forenames: Grace Bride's surname: ROBERTS Bride's surname: ROBERTS Parish: Landulph County: Cornwall
I can confirm the marriage - from Phillimores register for Landulph - Jno Greenwood Bone, of Liskeard and Grace Roberts, lic. 4 November 1804 Note the marriage seems to be by licence