Agüero was married to Giannina Maradona, the youngest daughter of Argentine football legend Diego Maradona. On 19 February 2009, Giannina gave birth to their son, Benjamín, in Madrid, Spain. Diego Maradona was there for the birth of his first grandson, while Agüero, then 20, missed Atlético's training session earlier in the day. Atlético offered their congratulations in a statement on their official website.