Sisnando Davides[a] (died 25 August 1091) was a Mozarab nobleman and military leader of the Reconquista, born in Tentúgal, near Coimbra. He was a contemporary and acquaintance of El Cid, but his sphere of activity was in Iberia's southwest.
Much information can be gleaned about Sisnando's life from the detailed narratives that begin the diplomas issued by his Abbadid-influenced Mozarabic chancery at Coimbra, though the authenticity of these has lately come to be doubted.
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