Answer:
cloud is my mother wind is my father.
I move without wings Between silken string I leave as you find My substance behind.
You use a knife to slice my head but you weep beside me when I am dead
I am the kind of a tree that is carried in your hand. What am I?
Two bodies have I, though both joined in one. The more I stand still the faster I run. What am I?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?