Background
Street John was the eldest son of John Street John, 11th Baron Street John of Bletso and his wife Elizabeth Crowley, daughter of Sir Ambrose Crowley of Greenwich.
Street John was the eldest son of John Street John, 11th Baron Street John of Bletso and his wife Elizabeth Crowley, daughter of Sir Ambrose Crowley of Greenwich.
He was educated at Winchester College and at New College, Oxford.
He inherited the title of Baron Street John of Bletso on the death of his father in 1757. Street John died at the age of 41 at Nice but was buried at Bletsoe. She brought £20,000 to the marriage.
His widow died at Bath, Somerset in 1805 at the age of 80.