Theses de hereditatibus, quae ab intestato deferuntur

LVII.
For with those closest in degree among the ascendants, even if there is a father and mother, brothers and sisters joined to the deceased from both sides are called to equal portions.

LVIII.
In which case the father can in no way claim for himself the usufruct from the portion of the sons or daughters.

LIX.
Furthermore, the brothers of the deceased and the sons of a pre-deceased brother succeed with the parents, but into the portion of their own parent.

LX.
Whether the sons of a brother are admitted alone with the parents is a question. And we think the negative is more true.

LXI.
And we do not extend this privilege to grandsons or great-grandsons, but only to the sons of brothers of the whole blood, and to their person.

LXII.
We judge that brothers, and the sons of brothers, joined only from one side, that is, half-siblings or uterine siblings, exclude ascendants.

LXIII.
But if one of the parents has remarried, they obtain only the usufruct of those goods which came to the deceased son from the paternal substance, for the portion owed to them for the duration of life, with the ownership belonging to the surviving brothers.

LXIV.
In other goods sought from elsewhere, however, they succeed together with the brothers or sisters of the deceased, even regarding ownership, the second marriage notwithstanding.

LXV.
Adoptive fathers aspire to the inheritance of their adoptive sons, who came into their power and remained there.