The engagement was announced in Apr, 2006, between Rodolphe von Hofmannsthal, son of Mr Octavian Charles Hugo von Hofmannsthal (b. 1946), and Mrs von Hofmannsthal, and the Lady Frances Armstrong-Jones (b. 1979), daughter 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)
Source: The Times