Hans Willem Bentinck was politiek vertrouweling en medewerker van Willem III en bekleedde in de Republiek, en vanaf 1689 in Engeland, hoge functies en werd daar eerste graaf van Portland.
De briefwisseling tussen hem en Willem III is uitgegeven in vijf delen, gesplitst over twee gedeelten. Deze (digitale) uitgave omvat hun onderlinge correspondentie, maar ook de briefwisseling van elk afzonderlijk met andere correspondenten.
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Hans Willem Bentinck was William III’s political confidant and associate and held a number of high-ranking positions in both the Republic and, after 1689, in England where he was given the title first Earl of Portland. This digital edition of their correspondence (five volumes of letters, divided into two separate categories) not only contains the letters Bentinck and William III wrote to each other, but also features letters that each of them wrote separately to other people.