There is no Polish version of that name. You can just say Jennifer.
"Jennifer"
Jennifer or Gennifer
it's not a Polish word.
In Polish winter is "zima".
it's not a Polish word.
In Polish safety is "bezpieczeństwo".
in polish : Edward [edvard]
In Polish Natalie is "Natalia".
In Polish Sandra has the same letters as in English, so you simply spell "Sandra".
You Spell It as Warszawa.
Ryan in Polish is spelled "Ryjan".
Richard in Polish is Ryszard.