He is a patron of the Society of King Charles the Martyr.
Since 1977, Elizabeth II has been a patron of the Society, and during the Society's centenary year of 1984 she acted as its president.
This initial royal favour has continued, and since then every monarch has been the patron of the Society.
The Governor-General of Australia and the Governor of New South Wales are joint patrons of the Society.
He was a patron and member of the Society for the Suppression of the Opium Trade.
He was a liberal patron of the recently formed Society of Jesus throughout Europe, for which he founded many new colleges.
In 1974, while her husband was Prime Minister, she created a storm by agreeing to become patron of the Society for the Protection of the Unborn Child.
Current patrons of the Society include the Bishop of Southwark and Simon Hughes MP.
In 1961 His Holiness the 14th Dalai Lama became patron of the Society, the first organisation in the West to be so honoured.
The Society's first Royal Patron was Queen Victoria - each monarch since has been the patron of the Society.