Juan de Guernica (Vizcaíno)
pre 1530:
?Boyd-Bowman, Indice geobiográfico, I:2186 [to Indies, native of Villacarrillo, Jaén, Juan Vizcaíno and Elvira Sánchez; says a Juan Vizcaíno in Cuba in 1519 and a conqueror of Mexico in 1520];
?Boyd-Bowman, Indice geobiográfico, I:4815 [in Cuba 1519, 1520 conqueror of Mexico (same as Boyd-Bowman, Indice geobiográfico, I:2186?)];