The Lady Petre, who died 8 April, 2024, was wife of Lord Petre, KCVO, DL, sometime Lord Lieutenant of Essex, landowner, and 18th holder of the barony.

The Petres are seated at Ingatestone Hall, a Grade I listed 16th-century manor house in Essex. It is located outside the village of Ingatestone, and was built by Sir William Petre, and his descendants have lived there for over 500 years.

She was born circa July, 1941, daughter of Alfred George Plumpton (1911-1981), and his wife the former Emily Nora Young (1908-1957); and married 16 September, 1965, the Hon John Patrick Lionel Petre (born 4 August, 1942), scion of a recusant family, son and heir of the 17th Baron Petre (1914-1989), and his wife the former Marguerite Eileen Hamilton (who died 15 June, 2003). Her husband succeeded his father, 1 January, 1989, in the peerage (created 1603).

Lady Petre (pronounced 'Peter') is survived by her husband, and a son, Dominic, and a daughter Clare, and is predeceased by a son Mark.

https://peeragenews.blogspot.com/2024/04/the-baroness-petre-1941-2024.html