In 1705, in a church of Poitiers, Louis Marie called a young man of 18, Mathurin Rangeard (1687-1760), to follow him. Mathurin became his constant companion in the missions, and he continued this ministry until his death in 1760. Other brothers such as John, Peter, Nicolas, Jacques Philippe, Gabriel, Louis, also joined Montfort to help him. At the Pentecost 1715, according to tradition, four of them, Louis Philippe, Gabriel and Nicolas, pronounced their vows of obedience and poverty forming the nucleus of the Brothers of the Holy Spirit. Mathurin Jacques, out of scruple, did not dare take that step, even though they were devout followers of Montfort. In 1715, Montfort, concerned with the pastoral plan of Mgr. Champflour, Bishop of La Rochelle, asked some brothers to work in the charitable school at La Rochelle and at Nantes. In his testament of 27 April 1716, Montfort gave a considerable place to the brothers and envisaged that some of the brothers work in the charitable schools.