I've tried to find WEELA WALLIA in the database, but I can't find it.

She stuck her penknife in the baby's head,
Welia, welia, walia
That was the end of the woman in the wood
And that was the end of the baby too
Down by the river Sawyer(?)

I looked up variations on the spelling of welia, also baby's head, down by the river Sawyer, penknife, etc - can't find it.

Helen