Oliveros is a paternal surname. Its Origin was from the 10th century, the Old French Epic Poem: Chason de Roldan a.k.a. Song of Roland, in Spanish Cantar de Roldan.

          Oliveros paternal grandfather was Garin de Monglane and his and his father was Renier ( Duc Rénier). Oliveros uncles Girart (or Gérard) had been robbed of his fiancée by King Charles, and receives an investiture over the fiefdom of Vienne as recompense, however his unrequieted bitter spite escalates into war between his family and the royals. For a time, Girart and his kinsmen are besieged at Vienne until the matter is finally resolved by combat between champions.
          A fight between the champions is an old custom to resolve grudges between families and to avoid an all out war. Roldan[the Kings nephew, Champion Paladin of France] against Oliveros [Count and son of Duke Renier de Gennes]. So it begun Oliveros and Roldan to a never ending fight.
          A day of preparation for the battle of two Champions, whoever the triumphant will decide the faith of the two Families. Roldan was armored cap-á-pie in iron, and held Durendal[Duradarte: the sword with 4 relics namely: Saint Peter's Tooth, the Blood of Saint Basile, some of the Hairs of Christ, Saint Denise, some of the Robe of Saint Mary] in his hand. Knowing this Oliveros clan fashion him with the family treasures: shield was made by Bacchus, helm found under the wings of the hydra; hauberk was once worn by Solomom.  
          On an island amid the river Rhone, two warriors are matched up in single combat. Early on, Roland has the advantage, and he scores a masterful stroke to his opponent's helm and Oliver loses grip of his sword. But a man will not live down the shame if he were to strike an unarmed foe, and a nephew of Charlemagne's no less. Roland declares: "Let us enjoy a bit of respite. I suggest you sir, have your servant bring you another weapon. And I am feeling dreadful thirsty. I prithee you have your man bring me something to drink as well. "Thus Oliver instructs his boatman to go fetch from Vienne the goodly sword Closamont (which others know as Haute-Claire). The brave warriors resume the fight, but as night sets, Oliver is feeling unwell. He can barely stay on his feet. Oh Sir Roland, will you not concede to a truce? "Indeed you do seem to have come down with a fever, sir. And not on account of being overcome by my sword. Very well, go ahead and lie youreself down on the sward, to your heart's content." "Nay, no need of that," answers Oliver. "I was merely testing your sense of honor, sir. I am full capable of sustaining the fight for another four days and nights."In fact the fight drags on for three days, and Olivier's father Gerard is on edge. He summons an augurer to read the omen. The augurur says, "My lord, the gentlemen are bound to keep fighting forever on. "On the fourth day, it is Oliver who manages to grab away Roland's sword and toss it in the river. "Now it is my turn to return the favor. At Vienne, I keep the sword of the Giant Sinnagog so I will have that fetched for you. Next to Durendal, that is the only sword worthy of thee. "Roland laughs and says, "I will make do with this bit of stick," as he uproots a tree of oak. Oliver answers in kind by pulling up an elm-tree from the ground. On the fifth day, Oliver finally rests his hand and says, "At this rate, we will surely fight forever and on like a lion and a pard. This is a most fruitless exercise. What if you were to be my brother-in-law? I happen to have a beautiful sister, who goes by the name of Aude of the white arm. What if you were to take her hand in marriage?" "That suits me just fine," answered Roland. "Then let us have our drink now, we have lost plenty of sweat over these few days."And it was thus that Roland was married to the belle Aude.
          Another story unfolds- Cantar de Roldan. Being the main character of the story so is the famed 12 peers a.k.a Doce Pares,


to be continue.......