Charity and the Great Hunger in Ireland: The Kindness of Strangers.
By Christine Kinealy
https://books.google.co.id/books?id=GnksAQAAQBAJ&lpg=PR4&hl=...
> He had originally offered £10,000 to the British Relief Association and some ships laden with provisions, but had been advised by British diplomats that British Royal protocol meant that nobody should contribute more than the Queen. It was suggested that he gave half the sum contributed by Victoria.