 Jones was appointed to serve as the first King 's Attorney for Augusta County around April 1746 , at the age of 22 . The county 's court recommended Jones to the position , citing him " as a fit person to transact His Majesty 's affairs in this county " . Jones continued to reside in Frederick County while performing the duties of King 's Attorney in Augusta County . When the first appointed justices of Augusta County assembled on December 9 , 1745 , the body qualified Jones to practice as an " attorney @-@ at @-@ law " in the county . He was the first lawyer to reside within the then @-@ boundaries of Augusta County . Jones served in that position for two years until his election to represent Frederick County as a member of the House of Burgesses of Virginia in 1748 , and he was subsequently re @-@ elected to his seat for the 1749 legislative session . From 1748 to 1750 , Jones represented Frederick County alongside George Fairfax . 
