Serena Mary Dunn aka Lady Rothschild dies at 84 - article from January 13, 2019

Wikipedia

The Lady Rothschild

Born Serena Mary Dunn

28 April 1935

Died 13 January 2019 (aged 83)

London, England

Nationality British

Occupation Thoroughbred racehorse owner

Spouse(s) Jacob Rothschild, 4th Baron Rothschild

Children 4, including Hannah Mary Rothschild and Nathaniel Philip Rothschild

Parent(s) Philip Gordon Dunn, 2nd Baronet Dunn

Lady Mary Sybil St. Clair-Erskine

Relatives Nell Dunn

James Hamet Dunn

https://en.wikipedia.org/wiki/Serena,_the_Lady_Rothschild

https://www.theirishfield.ie/owner-lady-rothschild-dies-aged-84-432711/?fbclid=IwAR30nA_R4N7Clp2rCtoQkBcvRU8Gsw1zMcISGM-kpuX99-sGXfN6jmcZPiA