re: "...Robert (Adair) married Eliza Payne (the Elizabeth Payne mentioned in the will), daughter of a London Merchant at St Pancras on 3 Feb 1786. They lived at Ealing.
Eliza was presumably the daughter of the Edward and Frances Payne mentioned in the will (so Frances was not née Adair and I’m not sure why she is called Miss Frances Adair in the will, unless this Frances is a daughter of Frances the mother).
Robert (Adair) and Eliza had two children:
Robert (born about 1787, believed unmarried, a Lieutenant in the 3rd Battalion 1st Guards, who died in 1815 from wounds received at Quatre Bras, just before the Battle of Waterloo)
and Elizabeth (christened 11 Jul 1798, married 1824 The Hon Edward Grey and had issue, died 28 Sep 1829 at Bishopsgate)." .......................... "The Gentleman's Magazine" AD1829 p.379. Obituary. Deaths - London and its Vicinity. Sep. 28 (1829).At the Rectory House, Devonshire-sq. Bishopsgate, age 37, The Hon. Mrs. Edw. Grey. She was Elizabeth, daughter of Robert Adair, esq.; became in 1824 the second wife of the present Rector of Bishopsgate, and has left two twin sons, born in 1826." ......................... Perhaps Elizabeth was christened when about 6 yrs of age ?
Wonder if this Payne family had any connection to "Robin" & Caroline Adair, (from memory) buried at Acton Church, Ealing ?