A probate search reveals he died on 12 April 2025, probate granted 13 June 2025.
He was the son of Gp/Capt John HEBER-PERCY RAF (1910-1973), scion of the Dukes of Northumberland being descended from the 2nd son of the 1st Duke, and his 1st w (m 1940, div 1949) Eve ROBERTSON (d 2003). He m 1964 Lindis Elizabeth PHILLIPS and had issue 2 s and a d