She was d of Sqdn Ldr Hon Robert Alexander Greville BAIRD 1910-ka1943 (s of 1st Viscount STONEHAVEN 1874-1941 who was f of 12th Earl of KINTORE 1908-89) and Dorviegelda Malvina 1910-97 d of Alexander Ronald Alasdair MacGREGOR 1878-1960 (s of Rear-Adm Sir Malcolm MacGREGOR 4th Bt 1834-79 and Lady Helen Laura McDONNELL 1837-1922 d of 4th Earl of ANTRIM 1812-55, as well gd of 5th Earl of MACCLESFIELD 1763-1850, etc) and Gertrude Blanche 1879-1959 d of Charles Archibald MURRAY 1836-1924 (gs of 3rd Earl of MANSFIELD &c 1777-1840, as well gs of 1st Viscount ANSON 1767-1818 who was f of 1st Earl of LICHFIELD 1795-1854) and his 2nd w Blanche 1849-1926 d of Sir Thomas MONCREIFFE 7th Bt 1822-79 and Lady Louisa HAY-DRUMMOND 1829-98 d of 11th Earl of KINNOULL 1785-1866, etc. She m 1963 Maj David Henry Sandford Leslie b 1933 s of Maj David Maitland MAITLAND-TITTERTON TD 1904- sometime head of that Irish gentry family of Landmore and Mary Etheldritha Audrey 1908- d of Rt Hon James Graham LESLIE 1868-1949 sometime head of that Irish gentry family of Leslie Hill, co Antrim and Grace 1873-1960 d of John Lamont BRODIE 1823-1898 of Wimbledon by his 9 Oct 1867 m (Bathwick St Mary, Somerset) to Julia SIMMONS 1828-1922, and had a son and a dau as above, both m with issue: https://thepeerage.com/p17302.htm#i173011
Rt Hon James Graham Leslie, PC (NI), of Leslie Hill, and Seaport Lodge, co Antrim, [is] 9th in descent and lineal representative of James Leslie (b 1530), 5th son of 4th Earl of Rothes