### Clue: Czech saint is lord over unnamed Italian city (7)
### Answer: LUDMILA 
 ### Explanation: Definition: Czech saint
 LUD(lord, as in "my lud", "m'lud" used when addressing the judge in a court of law) **placed above**(over, in a down clue) MILA{"Milan"(north Italian city) **minus** "n"(abbrev. for $$n$$ame) (unnamed)}.
Answer:  Of Bohemia, Czech saint and martyr.