Louis XV was later joined by his uncle, King Philip V of Spain, who hoped to secure territories in Italy for his sons by his second marriage to Elizabeth Farnese.
Louis XV oli hiljuti liitunud oma onu, Hispaania kuninga Felipe V-ga, kes lootis tagada territooriume Itaalias oma poegadele teisest abielust Elisabetta Farnesega.