Background
Blackett was born in Newcastle on 1 January 1728/9, a younger son of John Blackett (1683-1750) and Patience Wise, the daughter of Henry Wise, and a grandson of Sir Edward Blackett, 2nd Baronet
Blackett was born in Newcastle on 1 January 1728/9, a younger son of John Blackett (1683-1750) and Patience Wise, the daughter of Henry Wise, and a grandson of Sir Edward Blackett, 2nd Baronet
He was the father-in-law of Admiral Lord Collingwood, second-in-command to Lord Nelson at the Battle of Trafalgar. John Erasmus Blackett died in Newcastle on 11 June 1814 and is buried in Saint Nicholas"s Church. More than ten years after his death Blackett Street, named after him, was constructed as part of the redevelopment of Grainger Town, in the centre of Newcastle.