[1] He was the son of Christopher Bendlowes of Great Bardfield, in Essex, and his wife Elizabeth, daughter of John Ufford.
He was educated for a time at St. John's College, Cambridge; but leaving the university without a degree, he became a member of Lincoln's Inn, and was called to the bar.
In the combination room of St. John's College, Cambridge, there is a half-length portrait of Serjeant Bendlowes, "solus ad legem serviens, aet.
[2] There is preserved in the Harleian collection of manuscripts, number 355, a paper book in folio, wherein are contained the reports of Serjeant Bendlowes, with indexes prefixed.
By his wife Eleanor, daughter of Sir Edward Palmer, of Angmering, Sussex, and widow of John Berners, he had a son, also named William Bendlowes, who appears to have been also a bencher of Lincoln's Inn and to have died in 1613.