The names of the famous swordsmen assumed whent hey joined the French King's bodyguard of Musketeers were called Athos, Porthos and Aramis. Theya re known by these names in Alexandre Dumas' novel, The Three Musketeers.
It was not until the swashbuckling D'Artagnan, twenty years later, that the true names of them were revealed. It reveals that the Captain of the Musketeers, previously known as Athos, turned out to be the Count de la Fere, who was living on an estate near the French town of Blois.
Porthos was also known as Seigneur de Vallon de Bracieux de Pierrefonds, a country gentleman. Aramis was also known as Abbe D'Herblay.
The Three Musketeers' motto was 'All for one and one for all' meaning that unity was their basic code of conduct and that no matter what they encountered they would always be there for each other and always put their life on the line for one another if need be.