Three Dukes

I should like a more satisfactory answer to this Query than that I given by C. (Vol. ii., p. 46.). I can give the I names of *two* of the Dukes (viz. Monmouth and Albermarle); but who was the *third*, and where can a *detailed account* of the transaction be found? In Wades' *British History chronologically arranged*, 3rd edit. p. 230, is the following paragraph under the date of Feb. 28, 1671 (that is, 1670-1):— "The Duke of Monmouth, who had contrived the outrage on Coventry, in a drunken frolic with the young Duke of Albemarle and others, deliberately kills a ward-beadle. Charles, to save hi…