Daughter of the Horseleech
One very exigeant; one for ever sponging on another. (Prov. xxx. 15.)
“Such and many such like were the morning attendants of the Duke of Buckingham—all genuine descendants of the daughter of the horse-leech, whose cry is `Give, give.”' —Sir W. Scott: Peveril of the Peak, chap. xxviii.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894