IX. And to the End, the First Vestry of the said Parish be duly Elected, Be it further Enacted, by the Authority aforesaid, That the Sheriff of the said County shall summon the Freeholders of the said Parish to meet, at such Place as shall hereafter be appointed for the Courthouse of the said County, who shall then and there Elect Twelve Vestrymen, and the said Vestrymen shall then and there Elect