Anne was George Chauncy's second wife. First wife's name not given (Browning, Charles. Americans of royal descent, 7th ed. Baltimore : Genealogical Pub. Co., 1969, pg. 68). Browning cites several other sources of Chauncy pedigrees, including Stephen Tucker's, Somerset Herald in Odinary and Chauncy pedigree in Sir Henry Chauncy's "History of Hertfordshire" and Fowler's "Chauncy Memorials etc." (Browning, pg. 68).
George was the second son of his parents (Browning, Charles. Americans of royal descent, 7th ed. Baltimore : Genealogical Pub. Co., 1969, pg. 68).
From findagrave.com: Husband of Jane Cornwall, daughter and heiress of John Cornwall. They had two sons and four daughters. Jane was buried at Gilston 12 Dec 1579.