Question: Who is the paternal grandfather of Pedro Téllez-Girón, 1St Duke Of Osuna?
Sentence (from "Juan Téllez-Girón, 4th Count of Ureña"): Juan Téllez-Girón was born in Osuna, the third son of Juan Téllez-Girón, 2nd Count of Ureña and of Leonor de la Vega Velasco, daughter of Pedro Fernández de Velasco, 2nd Count of Haro.
Relevant evidence: Yes