The siege of Tenochtitlan, according to the histories, paintings and chronicles, lasted exactly eighty days. Thirty thousand men from the kingdom of Tezcoco were killed during this time, of the more than 200,000 who fought on the side of theSpaniards. Of the Aztecs, more than 240,000 were killed. Almost all of the nobility perished: there remained alive only a few lords and knights and the little children.