Duke baronets

There have been two Duke Baronetcies; both are now extinct. The first created 16 July 1661 for Edward Duke in the Baronetage of England, the second created 5 December 1848 for James Duke in the Baronetage of the United Kingdom.

Duke of Benhall, Suffolk (1661)

Extinct on his death

Duke of London (1849)

Extinct on his death
gollark: Well, that's *wrong*, because it is not showing number of photons as far as I can see but the total energy of all those photons.
gollark: You said how many, which is in fact quantity.
gollark: The total energy of the photons is *not* the same as the quantity of them.
gollark: It looks like it's showing the total energy of the photons of each wavelength, which isn't the same.
gollark: I don't think so.

References

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