Sent by Sultan Moulay Ismail to the court of King Carlos II of Spain, Mohamed Al Ghassani was tasked with the mission of releasing Muslim captives and retrieve Morocan manuscripts lost in the Iberian country.
Sent by Alaouite Sultan Mohammed III to the court of King Carlos III of Spain, Mohamed Ben Othman Al Meknassi had to discuss the release of another ambassador who was held hostage in Malta.