I'm a little confused in your description, but I will tell you this. If you plan on taking the Level 70 to help power level the lower levels, then do **NOT** make the referral from the 70, as the referred clones will not get the 3x experience. In order to get the 3x experience, you have to be within a few levels (i'm guessing 5-10). I was going to power level 2 shammys with the help of my daughters 70 mage, but since i did the referral from her account on 1 of them, the referred account didn't get the 3x experience boost.

In my setup, i had my daughters 70 mage (Account A) do referral B (brand new account). B referred account C (brand new account). with a group consisting of the 70 mage (account A), and two low level shammys (B & C), B would only get normal experience. Once I figured that out, I rolled a new shammy on my daughters account (Account A), and leveled 3 of them together so that they would all receive the 3x experience bonus and using my 70 warrior that was not linked. From that, I was able to level all three from 1-60 in 26 hours /played