Sebastián de Soto
1530-1540:
AGI, Pasajeros L.2, E.1258 [June 26, 1535, Sebastián son of Sebastián de Soto and María Barbáz, citizens of Guadalajara, with the viceroy] [certainly seems like him if he was with Mendoza];
AGI, Justicia, 337B [1537, witness (where?), more than 22 years old (b.<1515), answers questions on the characters of various persons, signed (no signature on copy), fol. 852r-853r];