The Sox-Griffiths-Williams Family

Searching for following surnames: Sox, Griffiths, and Williams.I am descended from Herman Sox of Thuringa, Ger., graduate of Heidelberg Univ ca. 1834. Arrived PN ca. 1835 and settled in Illinois in 1840s. Saxe-Coberg-Gotha figures in the family history.

Seeking any possible relationship of Herman Sox to descendants of Heinrich Sachs from Heidelberg, Ger., who arrived at Charleston, SC in 1744, and his son Gottleib Sox, who came to Saxe-Gotha Township, SC, betw. 1790-1800.

Also seeking information about descendants of Capt. Robert Williams of Boston (1753-1834), husband of Bethiah Pierce (1761-1798), Hannah Jameson (1770-1819) & Sarah Maxwell (b?.-d?.) and his sister, Anne Wms (1758-1783) m. Samuel Hichborn (1752-1828).