Sir William Blackett, 1st Baronet, of Newcastle-upon-Tyne English politician (1657–1705) Parents Elizabeth Kirkley Sir William Blackett, 1st Baronet, of Newcastle Children Diana Blackett Sir William Blackett, 2nd Baronet Julia Blackett Frances Blackett Isabella Blackett Siblings Sir Edward Blackett, 2nd Baronet Michael Blackett Partners Julia Conyers