He was born on 23 August 1725, the son of
Charles Radclyffe, titular 5th Earl of Derwentwater (titular only, due to the
attainder of Charles' older brother
James Radclyffe, 3rd Earl of Derwentwater in 1716) and
Charlotte Maria Livingston, 3rd Countess of Newburgh. During the
Jacobite rising of 1745, Radclyffe was captured with his father, but soon released. His father was beheaded on 8 December 1746. On 11 November 1749, he married Barbara Kemp. They had two children: • Anthony James Radclyffe, 5th Earl of Newburgh (1757–1814) • Lady Anne Radclyffe (–1785) He died on 2 January 1787, aged 61. ==References==