Erected
by
John and Archibald Renwick
in memory of
Marion Ritchie, their Mother
who died 13th January 1845
aged 62 years
also
William Renwick their brother
who died 1826 aged 6
also
Thomas Renwick
died 1863 aged 85.
I strongly suspect Thomas Renwick was their father and the husband of Marion although I don't know for sure as moss has covered the actual inscription at the bottom.