Transit Visa

[immihelp]

I am citizen of Ukraine, but I live in USA and I have a green card.I have a question,when I will traveling back way from Ukraine to USA Iwill fly from Kiev to Amsterdam then from Amsterdam to Brussel and in Brussel I have to stay 12 hours then I will fly to Atlanta.My 2 kids will traveling with me,they also have a green card and they name and photos are in my passport.Do we need traveling visa or some other visa or not.If yes,what we have to do?

Thank you.

[immihelp]

As long as you are not going out of the airport in Brussels, you don't need transit visa for Belgium.