Semseyite was first described for an occurrence in the Felsöbánya mine in Baia Sprie, Romania in 1881 by József Sándor Krenner (1839–1920).
József Beck | Sándor Weöres | Sándor Petőfi | Sandor Lehoczky | Jozsef Gregor | József Antall | Attila József | József Alvinczi | Sándor Wekerle | Sandor Tot | Sandor Szabo (wrestler) | Sandor Szabo | Sandor Harmati | József Eötvös | József Bozsik | Sándor Terplán | Sándor Takács | Sandor Takacs | Sándor Szabó | Sándor Márai | Sándor Lezsák | Sándor Kónya | Sándor Boros | Richard L. Sandor | Ksaver Šandor Gjalski | József Vass | József Tóth (geographer) | József Somogyi | József Sándor Krenner | József Pálinkás |