_. Annabelle Neilson, who has died aged 49, was briefly the wife of the Hon Nathaniel Philip Victor James (Nat) Rothschild (b 1971), son and heir of the 4th Baron Rothschild.
She was a cousin of the Earl of Warwick, and a fourth cousin of HM Queen Elizabeth The Queen Mother via her descent from a Leicestershire landed gentry family.
Miss Neilson was the mannequin muse of Alexander McQueen and latterly a reality tv star. She eloped with Nat Rothschild in 1994, and the marriage ended after three years.
She was born in 1969, a daughter of Maxwell Frederick Neilson (born 1939), by his wife Sarah Beatty. Her first cousin was the 8th Earl of Warwick, who is a grandson maternally of Alfred Chester Beatty. Her mother was Elizabeth, Marquesa Campus di Santinelli.
Annabelle's grandmother was the former Elizabeth Pamela Belas, daughter of George Henry Belas (who was killed in action in 1915), by his wife Winifred Emily Burnaby (1886-1959). The late Queen Mother was a descendant of the Burnaby family, of Baggrave Hall. HM's maternal grandmother was Caroline Louisa Burnaby.