Editing John I (section)

==People==

=== Religious figures ===
* [[John I (bishop of Jerusalem)]]
* [[John Chrysostom]] (349 – c. 407), Patriarch of Constantinople
* [[John I of Antioch]] (died 441)
* [[Pope John I of Alexandria]], Coptic Pope from 496 to 505
* [[Pope John I]], Pope from 523 to 526
* [[John I (exarch)]] (died 615), Exarch of Ravenna
* [[John I (archbishop of Trier)]] (c. 1140-1212), Archbishop of Trier from 1190 to 1212
* [[Pope John Paul I]], Pope in 1978

=== Counts ===

* [[John I of Ponthieu]] (c. 1147 – 1191)
* [[John I of Dreux]] (1215–1249)
* [[John I of Avesnes]] (1218–1257), Count of Hainaut
* [[John I, Count of Blois]] (died 1280)
* [[John I of Brienne, Count of Eu]] (died 1294)
* [[John I, Count of Holland]] (1284–1299)
* [[John I Orsini]] (1303/4–1317), Count of Cephalonia
* [[John I of Nassau-Weilburg]] (1309–1371)
* [[John I, Count of La Marche]] (1344–1393)
* [[John Günther I, Count of Schwarzburg-Sondershausen]], (1532–1586)
* [[John I, Count Palatine of Zweibrücken]] (1550–1604)

=== Dukes ===

* [[John I of Naples]] (died c. 719)
* [[John I of Amalfi]] (died 1007)
* [[John of Brunswick, Duke of Lüneburg]] (c. 1242–1277)
* [[John I, Duke of Saxony]] (1249–1285)
* [[John I, Duke of Brittany]] (1217–1286)
* [[John I, Duke of Brabant]] (1253–1294)
* [[John I, Duke of Bavaria]] (1329–1340)
* [[John I, Duke of Opava-Ratibor]] (c. 1322 – c. 1380–1382)
* [[John I, Duke of Mecklenburg-Stargard]] (1326–1392/93)
* [[John I, Duke of Lorraine]] (1346–1390)
* [[John, Duke of Berry]] (1340–1416)
* [[John the Fearless]] (1371-1419), ruler of the Burgundian State from 1404 to 1419
* [[John I of Münsterberg]] (ca. 1380 – 1428)
* [[John I, Duke of Bourbon]] (1381–1434)
* [[John Albert I, Duke of Mecklenburg]], (1525–1576)
* [[John, 6th Duke of Braganza]] (1543–1583), a.k.a. John I, Duke of Braganza
* [[John Ernest I, Duke of Saxe-Weimar]] (1594–1626)
* [[Johann Adolf I, Duke of Saxe-Weissenfels]] (1649–1697)

=== Emperors ===

* [[John I Tzimiskes]] (c. 925 – 976), Byzantine Emperor
* [[John I of Trebizond]] (died 1238)
* [[Yohannes I of Ethiopia]] (ruled 1667–1692)

=== Kings ===

*[[John of Abkhazia]] (ruled 878/879–880)
*[[John of England]] (1166–1216), King of England, Lord of Ireland, Duke of Normandy and Aquitaine and Count of Anjou
* [[John I of Sweden]] (c. 1201 – 1222), king of Sweden
* [[John of Brienne]] (c. 1148 – 1237), king of Jerusalem
* [[John I of Cyprus]] (1259–1285)
* [[John of Scotland]] (c. 1249 – c. 1313)
* [[John I of France]] (1316), king for the five days he lived
* [[John I of Bohemia]] (1296–1346)
* [[John I of Castile]] (1358–1390)
* [[John I of Aragon]] (1350–1396)
* [[John I of Portugal]] (1357–1433), King of Portugal and of the Algarve, Lord of Ceuta
* [[John I Albert of Poland]], (1459–1501)
* [[João I of Kongo]], ruler of the Kingdom of Kongo between 1470 and 1509
* [[John, King of Denmark]] called Hans of Denmark, (1455–1513), King of Denmark, Norway and Sweden<!-- John I of Denmark and John II of Sweden -->
* [[János Szapolyai]] (1487–1540), King of Hungary and Slavonia
* [[John, King of Saxony|John of Saxony]] (1801–1873)

=== Princes ===

* [[John I, Prince of Anhalt-Bernburg]] (d.&nbsp;1291)
* [[Hans-Adam I, Prince of Liechtenstein]] (1662–1712)

=== Others ===
* [[John I of Gaeta]] (died c. 933)
* [[John I Doukas of Thessaly]] (1268–1289)
* [[John I of Montferrat]] (c. 1275–1305), Marquis of Montferrat
* [[John of Islay, Lord of the Isles]] (died 1386)
* [[John I of Alençon]] (1385–1415)
* [[John Frederick I, Elector of Saxony]] (1503–1554)