the marriage has both of this parish - witnesses parish clerk + john reid student (?student for ministry?)
no indication of under age or widower - thus could be bapt 1783 (just) - the burial in Bride in 1825 gives no age - if young then s/o wm + an castle (or sim), or john + eliz crennell - no other bride born john kneales I can see until you go back to 1765