In 2003, Marius Guardiola was born in the Spanish metropolis of Manresa. He is Pep Guardiola and Cristina Serra’s middle child. Valenti Guardiola and Dolors Sala Carrio are also his grandparents.
Marius is the nephew of Pere Guardiola, Francesca Guardiola I Sala, and Olga Guardiola, all of whom are football agents. Additionally, he is enrolled in a Spanish school.