The 29-year-old's happy news was shared by his club this morning on Twitter, revealing that Marquez has named his son Modric, after the Croatia international Luka Modric.
The Tweet read, "Congratulations also to Javi Marquez for the birth of his son Modric, who has come into the world today! Congratulations Dad!"
Felicidades también a Javi Márquez por su hijo Modric que hoy ha venido al mundo ¡Enhorabuena papá!
— Granada C.F. (@GranadaCdeF) March 10, 2016