Jehoiachin spent 37 years in prison
Nelson Mandela spent 27 years in prison in South Africa; from 1964-82.
he spent abouut 27-30 years in prison,
Nicholas of Myra spent several years in prison for being a Christian.
Prison
Nelson Mandela
He spent 11 months as a guest of the Bastille.
Nelson Mandela was sent to prison in 1963 and he was released from prison in 1990. Therefore he spent 27 years in jail.
Because he spent all of his prison time there: Robben Island Polsmoor Prison Victor Vester Prison
the answer is not known today....
yes
7 years