Funny, Funny stuff.
I personally don't know any of the Rothschilds, nor their decendants, that I know of, so couldn't tell you if they were involved in Satanic Practices.
I am a Christian, one of Jehovah's Witnesses.
While many throughout the world have donated to the preaching work, no one person being more important for doing so, than another, No the Rothschilds didn't "fund the JW movement".
Sounds like someone's been reading "secret" information on the web. Luv, almost EVERY time someone claims to know something Secret, and then publishes it on the web, it's rubbish.
Be it stock tips, video game codes, or what various persons are doing/did with their finances.