Whereof

Webster's Dictionary

(1): ( adv.) Of what; - used interrogatively.

(2): ( adv.) Of which; of whom; formerly, also, with which; - used relatively.

King James Dictionary

Whereof, adv. where and of.

1. Of which. We are not guilty of the crime whereof we are accused. 2. Of what. Whereof was this house built?

How this world, when and whereof created--