Both titles passed to his eldest son upon his death in 1985 .
Noel Lytton succeeded his father as the 4th Earl of Lytton in 1951 , and his mother as 17th Baron Wentworth in 1957 .
Both titles passed to Noel Lytton 's eldest son upon his death in 1985 .
Noel Lytton succeeded his father as the 4th Earl of Lytton in 1951 , and his mother as 17th Baron Wentworth in 1957 .