Levi kinstlich tarnobrzeg 1791. #names

ירוחם צבי קינסטליך

I saw in the census from tarnobrzeg in 1791.my family name is mentioned as 
Levi kinstlich
I wondered who call as a private name as levi?
And maybe someone know if this is the first  census for the city tarnobrzeg?
Zvi kinstlich. 

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