Namesakes
Sigismund
(a.k.a. Zygmunt) (m) 1566-1632 
Swedish Kings and Queens 1592-1599
Polish High Dukes and Kings (Zygmunt III Vasa) 1587-1632
Zygmunt I the Old
(m) 1467-1548
Polish High Dukes and Kings 1506-1548
Zygmunt II Augustus
(m) 1520-1572
Polish High Dukes and Kings 1548-1572
Zygmunt Krasiński
(m) 1812-1859
Notable Writers
Zygmunt Szczęsny Feliński
(m) 1822-1895
Saints
Zygmunt Gorazdowski
(m) 1845-1920
Saints