Article 1045
Marriage with the following relations by blood is forbidden, even if the relationship is based on mistake or adultery: 1- Marriage with father or grandfather, mother or grandmothers, or to their ancestors to whatever generation. 2 - Marriage with children, or descendants to whatever generation. 3 - Marriage with the brother and sister and their children, or their descendants to whatever generation. 4 - Marriage with one’s own paternal aunts and maternal aunts and those one’s father, mother, grandfathers and grandmothers.