People β J
John I, Count of Holland
1284 β 1299
John I, Count of Holstein-Kiel
1229 β 1263
aristocrat
John I, Count of La Marche
1344 β 1393
military personnel
John I, Count of Loon
1225 β 1278
aristocrat
John I, Count of Oldenburg
1204 β 1270
John I, Count of Ponthieu
1141 β 1191
soldier
John I, Count of Rietberg
1450 β 1516
aristocrat
John I, Count of Soissons
1021 β 1118
John I, Count of Waldeck
1520 β 1567
ruler
John I, Count Palatine of Simmern
1459 β 1509
count palatine
John I, Count Palatine of ZweibrΓΌcken
1550 β 1604
genealogist
John I. Curtin
1837 β 1911
military officer
John I de Balliol
1210 β 1268
politician
John I. De Graff
1783 β 1848
politician
John I de la Roche
aristocrat
John I Doukas of Thessaly
b. 1240
sovereign
John I, Duke of Alençon
1385 β 1415
military personnel
John I, Duke of Bavaria
1329 β 1340
sovereign
John I, Duke of Bourbon
1381 β 1434
military personnel
John I, Duke of Brittany
1217 β 1286
John I, Duke of Brunswick-Grubenhagen
1350 β 1367
Catholic priest
John I, Duke of Cleves
1419 β 1481
monarch
John I, Duke of Lorraine
1346 β 1390
feudatory
John I, Duke of Mecklenburg-Stargard
1326 β 1393
aristocrat
John I, Duke of Opava
1420 β 1454
John I, Duke of Saxony
1249 β 1285
aristocrat
John I. Fitzgerald
1882 β 1966
politician
John I. Gallin
b. 1943
immunologist
John I. Gilbert
1837 β 1904
politician
John I. Jenkins
b. 1953
university teacher
John I. Kane
b. 1960
politician
John I. Laskin
b. 1943
judge
John I Lemigius
600 β 615
official
John I, Lord of Egmond
bailiff
John I, Lord of Polanen
1201 β 1342
bailiff
John I, Margrave of Brandenburg
1213 β 1266
ruler
John I, Marquess of Montferrat
1277 β 1305
sovereign
John I, Marquis of Namur
1267 β 1330
sovereign
John I. Marshall
1899 β 1976
John I. McMonagle
1913 β 1992
politician
John I. Mitchell
1838 β 1907
politician
John I. Nolan
1874 β 1922
politician
John I of Amalfi
John I of Aragon
1350 β 1396
ruler
John I of Blois-ChΓ’tillon
1345 β 1404
aristocrat
John I of Brienne, Count of Eu
1250 β 1294
aristocrat
John I of Castile and Leon
1358 β 1390
warrior
John I of Chalon-Arlay
aristocrat
John I of Farfa
John I of France
sovereign
John I of Gaeta
aristocrat
John I of Hainaut
1247 β 1304
aristocrat
John I of Isenburg-Braunsberg
aristocrat
John I of Isenburg-Limburg
1266 β 1312
John I of Lubin
1425 β 1453
monarch
John I of Luxembourg, Lord of Ligny
1300 β 1364
royalty
John I of Naples
aristocrat
John I of Nassau-Beilstein
Count of Nassau-Beilstein
John I of Nassau, Bishop-Elect of Utrecht
archdeacon
John I of Nassau-Siegen
1339 β 1416
John I of Nassau-Weilburg
1309 β 1371
Count of Nassau-Weilburg
John I of Portugal
1357 β 1433
politician
John I of Sayn
1206 β 1266
John I of Schwarzenberg
1742 β 1789
aristocrat
John I of Sweden
1201 β 1222
politician
John I of Trebizond
1214 β 1238
ruler
John I of Werle
1245 β 1283
John I of ZiΔbice
1380 β 1428
feudatory
John I Orsini
1300 β 1317
military officer
John I, Prince of Anhalt-Bernburg
1260 β 1291
aristocrat
John I. Redick
1828 β 1906
businessperson
John I. Rinaker
1830 β 1915
politician
John I Rolle
1522 β 1570
John I Sanudo
military personnel
John I. Sauls
b. 1949
politician
John I. Slingerland
1804 β 1861
politician
John I Stanley of the Isle of Man
1350 β 1414
John I. Taylor
1875 β 1938
baseball player
John I Tzimiskes
925 β 976
ruler
John I. Vanmeter
1798 β 1875
politician
John I. Williams, Jr.
John I. Woodruff
1864 β 1962
politician
John I. Yellott
1908 β 1986
engineer
John Iacono
computer scientist
John Iadarola
b. 1983
radio personality
John Ian Bartholomew
1890 β 1962
cartographer
John (Ian) McCallum
1920 β 1995
marine architect
John Ian Wing
b. 1939
carpenter
John Iball
1907 β 1993
physicist
John Ibbitson
b. 1955
writer
John Ibeh
b. 1986
association football player
John Iberson
1923 β 1989
cricketer
John ibn Jowey
slave
John Ibrahim
1944 β 2023
Australian rules football player
John Ibrahim
b. 1970
nightclub owner
John Icha Lal
b. 1933
association football player
John Idan
b. 1953
musician
John Idington
1840 β 1928
lawyer
John Idzik
1928 β 2013
head coach
John Idzik, Jr.
b. 1961
general manager