Family name Saionji (Saionji 
) , throughout the world, is an extremely rare surname. The surname Saionji is habitual in the United Kingdom, where it is an extremely rare surname, Mexico, and the United States. Very seldom, Saionji is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Saionji | United Kingdom, United States, Mexico |
| saionji rinshi (b. 1192) |
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| saionji kinmoto (b. 1220) |
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saionji kin'aki (b. 1274) |
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| saionji sanekane Japanese court noble in Kamakura period (b. 1249) |
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| saionji saneaki (b. 1250) |
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| saionji kinhira (b. 1264) |
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| saionji neishi mother of Japanese emperors Kogon and Komyo (b. 1292) |
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| saionji kinshige (b. 1317) |
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| saionji sanenaga (b. 1334) |
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| saionji kinkane (b. 1350) |
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| saionji kinnaga (b. 1353) |
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| saionji sanenaga (b. 1377) |
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| saionji sanetō (b. 1434) |
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| saionji kinfuji (b. 1455) |
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| saionji sanenobu (b. 1496) |
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