The acllas in the Tahuantinsuyu, were the women of greater cultural preparation. These women were recruited and then chosen to be prepared in the so-called Acllahuasis, which were in charge of the Mamaconas, as stated by the chronicler Bernabé Cobo: "... the acllahuasi or house of chosen women was an institution that brought together the Mamaconas or Ladies Mothers who acted as teachers and a credible number of girls entering a closing regime between the ages of ten and twelve. They were collected as a tribute among the most noble and beautiful ... "