Hi James
I found that one but because of wife's name, i dismissed it

Robert Jones is a difficult name to find - so many (as I know with my own lines!) but this looks a likely - b. Lanarmon in Yale (yn Ial)
1851
HO107/2504 Folio 27 Page 14
Brenhinlle or Bronhinlle, Chwyleiriog, Llanarmon in Yale, Ruthin
John Jones, 34, farmer of 13 acres, b.Abergele
Sarah, 33, b. Lanarmon Yale
Robert, 10, scholar, b. Lanarmon Yale
Jabez, 8, scholar, b. Lanarmon Yale
Anne, 6, scholar, b. Lanarmon Yale
Sarah, 3, b. Lanarmon Yale
Gadget