text: Its paintings comprise a Rembrandt portrait of Saskia van Uylenburgh , dated the year they were married ; Hieronymus Bosch at his most diabolical ; a rich repository of Goya official portraits , colorful sketches of real life , and haunting scenes of witches and horrors ; El Greco 's sensitive St. Francis of Assisi and an early ( 1562 ) picture from his Venetian period ; and the English painters Reynolds , Gainsborough , and Constable .
  
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  There is a Rembrandt and a Goya painting available .