Port's ancestors were from
Chester. He was the only son of
Sir John Port (died 1540), a judge, by Jane Fitzherbert (died about 1520), the widow of John Pole of
Radbourne, and daughter and heiress of John Fitzherbert (died 1502) of Etwall,
King's Remembrancer of the
Exchequer. His great-grandfather, Henry Port, was described as a merchant. A
London mercer, also named Henry Port (died 1512), was his grandfather; a monument to the latter in
St Helen's Church, Etwall records that he died in 1512, having had seventeen children by his wife Elizabeth, the daughter of Banowayte of Flowresbrook. Port had three sisters: Ellen, who married firstly Sir Edmund Pierrepont of
Holme, Nottinghamshire, and secondly Sir John Babington; Barbara, who married Sir John Francys of
Foremark; and Maria, who was the wife of Sir George Findern of
Findern. Port was the first lecturer or scholar at his father's foundation at
Brasenose College. ==Career==