Facts: - birth name: daniel chatto st. george sproule - spouse: lady sarah chatto 1994 - education: aldenham school - children: samuel chatto arthur chatto - birth date: 22 april 1957 - name: daniel chatto - occupation: actor Based on these bullet points, write a short biography describing the life of daniel chatto .
The answer to this question is:
daniel st. george chatto -lrb- born 22 april 1957 -rrb- , previously daniel chatto st. george sproule , is a british artist and former actor .he is best known as the husband of lady sarah armstrong-jones , the only daughter of princess margaret , countess of snowdon , and only niece of queen elizabeth ii .