Answer:
A cloud was my mother, the wind is my father, my son is the cool stream, and my daughter is the fruit of the land. A rainbow is my bed, the earth my final resting place, and I'm the torment of man.
What goes up let's of a load and come back down
You have it even if there is none.
What is in the middle of nowhere?
What has a foot but no leg?
What never gets any wetter no matter how hard it rains?