_.The Lady Frances von Hofmannsthal (née Armstrong-Jones) b 1979, wife of Rodolphe von Hofmannsthal, gave birth to a daughter, Maud Dolores Diamond, 1 December, 2009, a sister for Rex Antony Octavian, who was b 2 May, 2008. Rodolphe is a son of Mr Octavian Charles Hugo von Hofmannsthal (b. 1946), and Mrs von Hofmannsthal, and Lady Frances is the only child of the 1st Earl of Snowdon, GCVO (b. 1930), by his 2nd wife, the former Lucy Mary Davies.
Rodolphe von Hofmannsthal is a great-grandson of the 6th Marquess of Anglesey. Rodople's father is a son of Raimund von Hofmannsthal (d. 1974), who married (as his second wife) in 1939, the Lady Elisabeth Hester Mary Paget (b. 1916), daughter of the 6th Marquess of Anglesey (1885-1947)