Ovidio,
My paternal side of the family, same experience, but a few years later (early 1950s) when the journey (in secret) happened. It affects my father to this day but he'd never admit it and my grandfather, who knows full well what was left behind. My dad would have been about 10 at the time--leave your entire world behind. My grandfather is past his mid 90s--but the memories don't seem to fade.
I'm not the type to put much family detail anywhere online but I am happy to say that things would have worked out much differently had very welcoming Italians in, first Trieste, and then in the vicinity of a UNDP camp much farther south, not lent a hand.
I have work acquaintances in Ukraine that have kids very close to the age of mine. It is tremendously sad what is occurring.