Sadly, not finding any online transcription yet - tried FreeReg, FamilySearch.
Nell
All they have on family search is this family tree with date of marriage 7 August 1838 Dogmersfield, Hampshire
https://www.familysearch.org/tree/pedigree/landscape/9W9J-CR4Birth entry on GRO indexes of son William confirms mmn Gregory
CRUMPLIN, WILLIAM AMBROSE mmn GREGORY
1850 D Quarter in HARTLEY WINTNEY Volume 07 Page 107
1841 census for Edward & Sarah
Bakers Bridge, Dogmersfield, Hartley Wintney
Edward Crumplin Hampshire Ag lab.
Sarah Crumplin Hampshire
Harriott Crumplin Hampshire
Jane Crumplin Hampshire
Edward Grigory Hampshire
Mmn blank for Edward
GREGORY, EDWARD -
1838 J Quarter in THE HARTLEY WINTNEY UNION Volume 07 Page 79
Harriet 1828 christening Dogmersfield, Hampshire
father Edward mother Elizabeth
https://www.familysearch.org/ark:/61903/1:1:NYY6-Y58