The family of two New York siblings has confirmed they were victims of the terrorist attack in Belgium.

FOX's Tonya J. Powers has more:

Family members of Alexander and Sascha Pinczowski say both Belgian authorities and the Dutch embassy have positively identified their remains in Brussels.

The brother and sister were last heard from on Tuesday. They were on the phone with a relative at the Brussels airport when the phone went dead.

The two were Dutch nationals, according to officials in the Netherlands, but both had apparently lived in the U.S. for some time.

The information was issued by the father of Alexander Pinczowki's fiance.

In New York City, Tonya J. Powers, FOX News.