sentences:  His father was an architect and set designer who was in service to the Grand Duke of Tuscany.Giulio grew up in Medici Florence, amongst the craftsmen who worked for his father.In 1594 he was enrolled at the Academy of Design as a painter and in 1597 he was enrolled at the Grand Ducal Court He was apprenticed to his father, Alfonso, Bartolomeo di Antonio Ammannati (1511–1592) and also to the theatre engineer, Bernardo Buontalenti (1535–1608).