In Donatello 's " Feast of Herod , " how are the foreground figures represented ?
Among the diners at the table are John George I , Elector of Saxony , Charles I of England , the Infanta and from 1637 Empress Maria Anna of Spain ( wife of Ferdinand III , Holy Roman Emperor ) , Marie de ' Medici , Dowager Queen of France , her favourite Concino Concini ( d. 1617 ) , George Villiers , 1 st Duke of Buckingham ( favourite of Charles I until assassinated in 1637 ) , and Marie de Rohan , duchesse de Chevreuse .