Among the Reformers of the sixteenth century, it is especially the Reformer of Geneva who pays attention to baptism as being ingrafted into the Christian church. The ecclesiological aspect of baptism is put front and centre by him. When Calvin starts to deal with baptism in his Institutes, he begins with a remarkable definition: “Baptism is the initiatory sign by which we are admitted to the fellowship of the Church, that being ingrafted into Christ we may be accounted children of God”