(The). Henry, the tenth Lord Clifford, sent by his mother to be brought up by a shepherd, in order to save him from the fury of the Yorkists. At the accession of Henry VII. he was restored to all his rights and seigniories. (Died 1523.)
The story is told by Wordsworth in The Song for the Feast of Brougham Castle.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894