Her stepbrother must be from her mother's first marriage?
Frederick PONSONBY, 3rd Earl of Bessborough (24 Jan 1758-Canford House, Dorset 3 Feb 1844); m.London 27 Nov 1780 Lady Henrietta Frances Spencer (Wimbledon 16 Jun 1761-nr Florence 14 Nov 1821)
|
Sir Frederick Cavendish (6 Jul 1783-11 Jan 1837); m.16 Mar 1825 Lady Emily Charlotte Bathurst (9 Feb 1798-1 Feb 1877)
|
Sir Henry Frederick (10 Dec 1825-21 Nov 1895); m.30 Apr 1861 Mary Elizabeth Bulteel (d.16 Oct 1916)
|
Frederick Edward Grey, cr Lord Sysonby (16 Sep 1867-20 Oct 1935); m.17 May 1899 Victoria Lily Hegan Kennard (d.2 Jun 1955), of the Baronets
|
1.Victor Alexander Henry Desmond (19 Jun 1900-24 Nov 1900)
2.Loelia Mary (6 Feb 1902-London 1 Nov 1993); m.1st 20 Feb 1930 (div 1947) Hugh Richard Arthur Grosvenor, 2nd Duke of Westminster (19 Mar 1879-19 Jul 1953); m.2nd 1969 Sir Martin Alexander Lindsay, Bt. (22 Aug 1905-1981)
3.Edward Gaspard, 2nd Lord Sysonby (7 Jun 1903-21 Jan 1956); m.2 Oct 1936 Sallie Whitney Sanford (New Haven, Connecticut 6 Feb 1901-1979), formerly wife of George Edward Monkland, and later wife of Edward R F Compton, of the Marquesses of Northampton
|
3.1.John Frederick, 3rd Lord Sysonby (5 Aug 1945-23 Oct 2009)
3.2.Carolyn Mary (9 Nov 1938-26 May 2023)