John Calvin was born as Jehan Cauvin on 10 July 1509, at Noyon, a town in Picardy, a province of the Kingdom of France. He was the first of four sons who survived infancy. His mother, Jeanne le Franc, was the daughter of an innkeeper from Cambrai. She died of an unknown cause in Calvin's childhood, after having borne four more children. Calvin's father, Gérard Cauvin, had a prosperous career as the cathedral notary and registrar to the ecclesiastical court; he died in 1531, after suffering for two years with testicular cancer. Gérard intended his three sons — Charles, Jean, and Antoine — for the priesthood.Young Calvin was particularly precocious. However, by age 12, he was employed by the bishop as a clerk and received the tonsure, cutting his hair to symbolise his dedication to the Church. He also won the patronage of an influential family, the Montmors. Through their assistance, Calvin was able to attend the Collège de la Marche, Paris, where he learned Latin from one of its greatest teachers, Mathurin Cordier. Once he completed the course, he entered the Collège de Montaigu as a philosophy student.
In 1525 or 1526, Gérard withdrew his son from the Collège de Montaigu and enrolled him in the University of Orléans to study law. According to contemporary biographers Theodore Beza and Nicolas Colladon, Gérard believed that Calvin would earn more money as a lawyer than as a priest. After a few years of quiet study, Calvin entered the University of Bourges in 1529. He was intrigued by Andreas Alciati, a humanist lawyer. Humanism was a European intellectual movement which stressed classical studies. During his 18-month stay in Bourges, Calvin learned Koine Greek, a necessity for studying the New Testament.
Also, Calvin's theology can be traced to the Bible, part of which is expressed in The Canons of the Council of Orange (529), so to claim that he made his own religious system is in error.