Antipope John XXIII died in 1418.
Antipope John XXIII was born in 1370.
The first Pope John XXIII was an "antipope" thus his papacy was discounted.
Antipope John XVI died in 1001.
Antipope John XVI was born in 945.
Pope John XXIII died on June 3, 1963 at the age of 81.
Antipope Eulalius died in 423.
Antipope Christopher died in 904.
Antipope Dioscorus died in 530.
Antipope Laurentius died in 506.
Antipope Theodoric died in 1102.
He died in 1963.
He died in Vatican City.