Pope John IV died on 642-10-12.
Pope Pius IV died on December 9, 1565 at the age of 66.
it is 4
Pope Gregory VII
John Pace IV goes by JJ.
John IV Laskaris was born on December 25, 1250.
Pope Felix IV died in 530.
Pope Martin IV died on 1285-03-28.
Pope Stephen IV died on 817-01-24.
Pope Cyril IV of Alexandria died in 1861.
Pope Anastasius IV died on 1154-12-03.
Pope Celestine IV died on 1241-11-10.
Pope Leo IV died on 855-07-17.
Pope Sergius IV died on 1012-05-12.
Pope Urban IV died on 1264-10-02.
Pope Adrian IV died on 1159-09-01.
Pope Sixtus IV died on 1484-08-12.
Pope Alexander IV died on 1261-05-25.