 These natives together with the Spanish troops defended the town and the province from the sporadic attack by the Moros.In a slew of misnomers, the Spaniards mistakenly referred to the Sultan of Sulu's subjects as Moros (Spanish for "Moors").The word Moor was derived from the ancient "Mauri/Maure" tribe of North Africa, found in the ancient Roman Provinces of Mauretania Tingitana and Mauretania Caesariensis.