Hernando de Orduña was a native of Burgos (Burgos province). Although he was not present at the muster, we learn of his participation through testimony that he gave in 1545. Apparently he was with Melchor Díaz in Los Corazones and after whose death, made his way to Tiguex.
AGI, Justicia, 270, Pieza 5 [Residencia a Antonio de la Cadena, 1545; witness is an Hernando de Orduña, 1543, about 27 years old, testifies about the alguazil playing cards, has known Cadena about 6 or seven years, can sign his name];
AGI, Justicia, 1021, N.2, Pieza 2, “Relación sacada de la probanza, 1551” [witness Orduña went with Melchor Díaz] and pieza 6 probanza del fiscal Villalobos [México, January 10, 1547] [Orduña, natural de Burgos, more than majority of 25 years old, estante in Mexico City] [from Corazones he went with Díaz to the Mar del Sur] [never saw any mistreatment of Indians] [hearsay: habiendolos recibido muy bien en ciertos lugares de la provincia de Tiguex] [in Tiguex the 1st winter] [then the Indians killed 30 or 40 horses and mules] [could sign his name (no signature on copy)];
AGI, Justicia, 272, Pieza 14 [Proceso de Luis Méndez, escribano, 1546 [includes a list of documents from 1542 and 1543 in Méndez's possession which shows "otro de Pero Márquez contra Hernando de Horduña esta perdida la querella"];
APSM, “Bautismos de Españoles, 1536-1746” [fol. 182v: 19 May 1547 Hernando de Orduña padrino for don of Francisco Pastor]
Relatives?: ?Dorantes de Carranza, Sumaría relación, 183 [Francisco de Orduña, conqueror and vecino of Puebla, came with Alderete in 1521; son-Francisco de Orduña; grandsons-Diego de Orduña, Francisco de Orduña, Pedro Sarmiento]