Robert Armstrong-Jones the Welsh physician was what relation to Antony Armstrong-Jones, 1st Earl of Snowdon?
Robert Armstrong-Jones Sir Robert Armstrong-Jones, CBE (born Robert Jones; 2 December 1857 – 31 January 1943) was a Welsh physician and psychiatrist. He was the grandfather of Antony Armstrong-Jones, 1st Earl of Snowdon (d. 2017).
Alban Thomas Alban Thomas (1686–1771) was a Welsh doctor, librarian and antiquarian, who followed in his father's footsteps in supporting Welsh literature, being particularly associated with efforts by Moses Williams to publish Welsh-language manuscripts.