The wedding of Huma Abedin, a longtime aide to Hillary Clinton, and Alex Soros, the scion of a liberal philanthropic dynasty, drew a rare concentration of wealth and power.

There was a time, in the not-so-distant echo of history, when the air of Southampton carried with it an undeniable aura of aristocratic glamour.

Old or new, enormous or intimate, there has been no shortage of fascinating and incredibly luxurious Kennedy weddings over ...