Background
He was the eldest son of Beauchamp Street John, 17th Baron Street John of Bletso, and his wife Helen Thornton.
He was the eldest son of Beauchamp Street John, 17th Baron Street John of Bletso, and his wife Helen Thornton.
He was educated at Wellington College and Magdalene College, Cambridge.
On 26 July 1901, he was made a Deputy Lieutenant of Bedfordshire. Henry became the 17th Lord Street John on the death of his father in 1912, and inherited Melchbourne Park. He owned about 8,000 acres (32 km2) and gave his interests as county pursuits and county business.