In dictionaries:
Ponsonby Rule
(UK politics) A constitutional convention (which acquired legal force in 2010) dictating that most international treaties had to be laid before Parliament 21 days before ratification.
Arthur Ponsonby, 1st Baron Ponsonby of Shulbrede
Arthur Augustus William Harry Ponsonby, 1st
Henry Ponsonby
Major-General Sir Henry Frederick Ponsonby (10 December 182521 November 1895) was a British soldier and royal court official who served as Queen Victoria's Private Secretary.
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