Guglielmo Della Porta was an Italian sculptor.
Son of the sculptor Cristoforo and Caterina, began his artistic training under the guidance of his uncle Giovanni Giacomo, who takes him on his construction site of the Cathedral of Milan and assigned him the task of sculpturing and reinterpreting the works of Leonardo da Vinci until about 1530.
Later he moved with his uncle in Genoa where he perfected his design under the guidance of the painter Perin del Vaga in the works for Villa del Principe, Palazzo di Andrea Doria.

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