The origin of the surname De Castro is Castile, an important Christian kingdom of medieval Spain.

The origin of the surname De Castro is the Latin word castrum, which means "castle", this clearly reveals the antiquity of their origin.

Castro's last name comes from the knight Don Nuno de Belchides, born in Cologne, which came after Castile in 884 where he married the daughter of Count Dona Sula Pircelos Diego, whose marriage was born Judge Don Castilla Nuñez shave, he was the father of Dona Teresa Nuñez Bella, wife of Gundensalvez Lain, M. de Vivar and Villa Lain descended from Ferdinand I the Great, Gundensalvez Lain Castrojeris lived in the villa where the name originates.

In Mexico in ancient times highlights 1582 Don Jeronimo de Castro son of Alvaro Lopez de Castro conqueror of New Spain, the first a man of arms and the second a man dedicated to working for the Inquisition, persecuting heretics and burned at the stake.


This lineage is related to Rodrigo Diaz de Vivar "El Cid".

Some variations of this surname are: Castro, Castrillo, Castrello, Decastro and more.