John Crescentius

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Giovanni di Crescenzio
Coat of Arms of Crescenzi family.
Born	? Rome, Papal States
Died	1012 Rome, Papal States
Known for	Roman patrician
Father	Crescentius the Elder
Relatives	Crescentius the Younger (brother)
Family	Crescentii

John Crescentius (Italian: Giovanni di Crescenzio) also John II Crescentius or Crescentius III (d. 1012) was the son of Crescentius the Younger (Crescentius II). He succeeded to his father's title of consul and patrician of Rome in 1002 and held it to his death.