text: After a brief stint living in the Palazzo Vecchio in the Piazza della Signoria , Duke Cosimo I and his wife , Eleonora of Toledo , acquired the palace from the bankrupt Pitti merchant family in 1549 as the Medici 's official residence ; it was enlarged and embellished substantially over the centuries .
  
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  Eleonora of Toledo was the daughter of Duke Cosimo I.