Complex sentence: On 12 November 2013 she announced via Twitter that she was expecting her first child with the footballer, and Sergio Ramos Rubio was born on 6 May 2014.
Split into simpler sentences: On 12 November 2013, she announced via Twitter that she was expecting her first child with the footballer. Their son, Sergio Ramos Rubio, was born on 6 May 2014.