They aren't quite possessions, but the first three things I would grab are my wife, son, and daughter (not necessarily in that order). After that, I would grab my phone, laptop, and either bass guitar or photo albums depending on the location and fire. The reason for grabbing my phone and computer is probably obvious, the information stored within is pretty important. The reason I would grab my bass is because I love music and because it was a present from my wife. The reason for pictures is because they can't be replaced.