Marlborough House set
... that adultery was commonplace within Edward VII's Marlborough House set but divorce was considered unacceptable?
... that adultery was commonplace within <a href="./Edward_VII" id="mwAq8" rel="mw:WikiLink" title="Edward VII">Edward VII</a>'s <b id="mwArA"><a href="./Marlborough_House_set" id="mwArE" rel="mw:WikiLink" title="Marlborough House set">Marlborough House set</a></b> <i id="mwArI">(pictured)</i> but divorce was considered unacceptable?