Carl Jung was born Karl Gustav II Jung[a] in Kesswil, in the Swiss canton of Thurgau, on 26 July 1875, as the fourth but only surviving child of Paul Achilles Jung and Emilie Preiswerk. Emilie Preiswerk was the youngest child of Samuel Preiswerk, Paul Achilles Jung's professor of Hebrew. His father was a poor rural pastor in the Swiss Reformed Church, while his mother came from a wealthy and established Swiss family.Jung was thirty when he sent his Studies in Word Association to Sigmund Freud in Vienna in 1906. 他爸媽都是瑞士人,他也在瑞士出生,就學。三十歲時,見到佛洛伊德。