New York Income Tax ?

Hi, I am French and I am offered a USD 100,000 salary to go and work in NYC.

Could anyone explain how much tax would I pay at the end of the year? I am married and I am going to have a second kid soon.

Thanks,

Laurent
Update: I am not familiar with the US and would like to know the amount of money I would earn AFTER tax...

Thanks.
Update 2: How can I know how much to deduct for the 2 kids?
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