The exchange of nicknames between the ladies of the Palace and courtly gentlemen is a poetic game documented and practiced in the 16th and 17th centuries. In the article its mechanism is explained, several series of nicknames from the 1620s and, in particular, the 1624s are analyzed together. The representation of the materials in graphs allows visualizing the existing family, social and clientelistic networks among the participants in this palatial pastime. From these verses the relationship of Isabel de Borbón's ladies with writing and with the literary culture of the moment is also addressed.