Strange indeed, but then landed gentry would do it their own way.
The OPR reads in glorious script " Samuel Somerville son to William Somerville Esq of Ampherlaw,Clerk to the Hon. Lord Reston one of the Senators of the College of Justice and one of the Commifsioners of Justiciary and Marion Somerville daughter of Willm Somerville of Covanhill was born the 3rd June and baptised on the 6th July by the Rev Dr.?Hall? Witness Alex Wright Esq and John Somerville Jnr Writer Edinr. & others."