1612, Louis de MAYERNE TURQUET, The Generall Historie of Spaine. ... Translated Into English and Continued Unto These Times by H. Grimeston, page 238:
[...] of the valour of D. Rodrigo Diaz, called by the Arabians, Cid Ruis Diaz, against whom he mad long and sharpe warres, [...] intreated the King, to make a marriage betwixt her and Cid, the which he did, [...]
1880, Hezekiah Butterworth, Zigzag Journeys in Classic Lands: Or, Tommy Toby's Trip to Mount Parnassus, page 114:
Spain is full of Cid romances, […]
2011 March 11, Michael Harney, The Epic of the Cid: with Related Texts, Hackett Publishing, →ISBN, page 215:
Pedro Bermúdez (nephew and vassal of Cid), xv–xvi, 19, 21–22, 42, 44, 52–56, 62, 67–68, 80–81, 86, 89, [...] Rodrigo Álvarez (maternal grandfather of Cid), 116 Rodrigo Bermúdez (ancestor of Cid), […]
