E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Ruyde’ra.
The duenna of Belerma She had seven daughters, who wept so bitterly at the death of Durandarte. that Merlin, out of pity, turned them into lakes or estuaries. (Don Quixote pt. ii. bk. ii. ch. 6.)
