AGI, Pasajeros, L.1, E.977 = Boyd Bowman, Indice geobiográfico, I:2202 [March 8 1513, son of Álvaro de Canseco and Inés Rodríguez de Bretanzos, vecinos of León] [expeditionary born 1517, but the one in Antequera says his family is from León];
Valderrama, Cartas, #28 [p.215: 1564, merchant in Mexico; granted a corregimiento by Velasco I; man infamous and brought to shame; next entry after Cristóbal de Escobar] [we favor the secretary]
Gay, Historia de Oaxaca [p. 345: in February 1576, a regidor in Antequera was an Alonso de Canseco de Porras] [records we saw don't support the Porras addition];
Surname
Canseco