The most famous was the Rule of St. Benedict written by St. Benedict.
St. Benedict of Nursia wrote a rule book for monasteries, The Rule of Saint Benedict.
There is only a St. Benedict. The word "Benedictine" is an adjective or noun that describes the order of monks or nuns based on the Rule of St. Benedict.
Catholic AnswerIf you are talking about St. Benedict of Nursia, there is very little know about him other than his Rule (The Rule of St. Benedict), and what Pope St. Gregory the Great describes about him in his Dialogues. But there is no indication that he changed his name when he became a hermit, so it is safe to assume that his name was Benedict, and his sister's name was Scholastica.
Saint Benedict was the founder of Western Monasticism as we know it today. "The Rule" that was written by him is the guideline that is followed by many monasteries and convents today, especially the actual Order of St. Benedict, where you will the authentic Benedictine monks. For more information, check out their web site below:
St. Benedict established the Benedictine Order, a monastic community with a set of rules known as the Rule of St. Benedict. This rule emphasized prayer, work, and community living, and it became one of the most influential guides for monastic life in Western Christianity.
St. Benedict of Nursia was the founder of the Benedictines and wrote the Benedictine rule that spread monasticism throughout Europe.
Most monasteries in the Western branch of the Church are based on The Rule of St. Benedict. There are several major branches of Benedictines, Cistercians, and Cistercians of the Strict Observance (Trappists), plus Camoldese, etc. who all follow The Rule of St. Benedict. In addition to The Rule, each congregation has specific Constitutions and Directories. You may see the Constitutions and Directory for the American-Cassinese Congregation of Benedictines at the link below. Eastern rite monks usually follow The Rule of the Master which is much longer than The Rule of St. Benedict.
Roman Catholic AnswerSt. Benedict wrote his rule in the first half of the sixth century, for his own monastery. The Rule of St. Benedictbecame the standard for all monasteries in the West. St. Benedict has been know as the founder of Western Monasticism.
-The Benedictine Order which follows the Rule Of St. Benedict. -The Augustinian Order which follows the Rule Of St. Augustine. -The Franciscan Order which follows the Rule of St. Francis of Assisi.
St. Benedict is seen as a role model for his commitment to a life of prayer, community, and moderation. He founded the Benedictine Order, emphasizing qualities such as humility, obedience, and simplicity. His Rule of St. Benedict has guided monastic communities for centuries with its focus on balance and spiritual growth.
St. Benedict's full name is Saint Benedict of Nursia.