Hans George Herzog/Hartsock was born sometime before 26 March 1737/38 at which time he was christened at the First Reformed Church, Raritan (now Somerville), 
George died in Franklin County, Pennsylvania. George's wife was Judag. Children Catherine, Mary, George and Henry are mentioned in his will which was dated 30 Dec 1788 and executed around 18 Apr 1789. 
It may be possible to confirm family relationships with George by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with George: