[1] He served as a member of the House of Lords for over thirty years from 5 March 1968 to 11 November 1999.

He has two siblings, an older sister, Angela Jane Paulet (b.

1939), and a younger brother, Timothy Guy Paulet (born 1944).

Winchester's maiden speech in the House of Lords on 11 November 1970 was in favour of ending sanctions against Rhodesia.

They have two sons and one daughter: Paulet died in Gauteng, South Africa on 8 April 2016, at the age of 74.