Ancestors of Thomas Frohock

I recently found that I descend from Thomas Frohock of Meredith, NH. (b. Sept. 1, 1749-d. Oct. 3, 1805).According what I have found, he was a Revolutionary War soldier who came to New England about 10 years before the War.Secondary sources list his father as Andrew Frohock, but no proof is given as to where this name came from or if he is the son of Andrew or where in England, Thomas Frohock was from.Has anyone done more research on Thomas and his ancestors?Thanks.