The harmonious softness of the Portuguese language, probably contributed no less to its early cultivation in general than to its applicability to poetry in particular. Even the characteristic nasal sound, which the pronunciation of this language has in common with the French, is in no way detrimental to the rhythm of the Portuguese syllables; for that rhythm, as in the Spanish and Italian languages, depends on a certain accentuation, which is a valuable remnant of the latin syllabic forms, and which is not, as in the French, annihilated by a new rule of orthoepy. That this ancient accentuation, and with it the groundwork of metrical perfectibility, should be preserved in the Portuguese language, is a circumstance rendered the more remarkable by that of a French prince having been the founder of the first dynasty of the kings of Portugal; for from this incidental occurrence, some critics and philologists have endeavoured to explain the similarity between the Portuguese and French pronunciation. The prince to whose influence this effect has been attributed is Henry of Burgundy, who was, in the year 1094, appointed, by his father-in-law, Alphonso VI. of Castile, governor of the country situated at the mouth of the Tagus, and who afterwards held that territory in sovereignty with the title of Count; but however numerous might be the noble families, brought by this prince from France to Portugal, neither he nor they could be able to produce an essential change in the national language among all classes of the people.[3] Moreover the same dialect was and still is vernacular in Galicia, where no French prince ever ruled. It is however not a little extraordinary, that under the dominion and influence of French princes and nobles, Portuguese poetry should from its origin have preserved unimpaired those romantic national forms, in which it soon appeared perfectly to coincide with the Castilian poetry; for notwithstanding that most of the French nobles, who settled in Portugal, came from the south of France, whence they brought with them the genuine poetry of the Troubadours, still the introduction of that poetry did not impede the developement of those poetic forms, which constituted a common source of pleasure for the Portuguese, the Galician, and the Castilian.[4]