The text is rather hard to read and apologise for the errors.
Hic conduntur ossa Emiliae Paterson Thomae Paterson civiz Toadunenis ejusque conjugis Alisonae Hunter filiae anno vixit 21 obiit 19 feb A.?.C. 1763 necnon gulideni Gordon filii Cardi ab Aberfeldie ex eadom onatro geam mortuo primo marti hic uxorem duxerat anno vixit 6 obiit 7 April eodem anno
Here lies the bones of Amelia Paterson, daughter of Thomas Paterson, citizen of Dundee, and his spouse Alison Hunter. She lived 21 years and died 19th February in the year of the Christian era 1763. Also of William Gordon, son of Charles Gordon of Aberfeldie, born of the same mother, whom, her fist husband being dead, he married. He lived six years, and died 7th April in the same year.
Source: The Book of the Howff, ŠLibraries, Leisure and Culture Dundee, Local History Centre & is