Hasél was born in Lleida, Catalonia on 9 August 1988 to Ignacio Rivadulla and Paloma Duró. Hasél's father was a businessman and the president of the local football club Unió Esportiva Lleida and his mother came from an upper-class family of lawyers. Hasél's paternal grandfather was, Andrés Rivadulla Buira, a lieutenant in Franco's army, known for fighting the Maquis (anti-Franco resistance guerrillas), which also collaborated in the exile with the French resistance in the Invasion of Val d'Aran.