The following data is extracted from Genealogy and Biography of Ontario County, New York.
Humphrey Salisbury, born in England about 1685, came to the Massachusetts Bay Colony in 1706, and settled at Braintree, where he died July. 1708. The tradition asserts that he was the youngest son of an English nobleman, and being excluded from inheriting the family estates through the ancient custom of primogeniture, he determined to seek his fortune beyond the sea. He was married in England to Mary Milburn, and had one son William.
Source: Genealogy and Biography of Ontario County, New York