The name is derived from William Willhelm which consists of will and helm terms that mean "will" and "helmet". The William attach great importance to the friendship and love of their relatives who are everything to them. Faithful and honest, Guillaume are also full of desire and ambition. Their intuition and analytical skills are key to their success. They like enormously nature and show a certain romanticism. Guards and vigilantes, they like to play the hero and defend those they love. Manhood, honesty and passion characterize well Guillaume. The physical and intellectual activities contribute to their well-being. A healthy mind in a healthy body qualify very well this name.