Question

Isabella and Juan are about to get married. As a sign of his love and devotion, Juan decides to make a donation of a piece of land to Isabella. The donation is made in anticipation of their marriage, also known as donation propter nuptias. However, after further investigation, it is discovered that the land donated by Juan is actually covered by a mortgage and cannot be transferred to Isabella without settling the debt first.

Based on the given scenario and the provisions of the Family Code, answer the following:

1. Is the donation propter nuptias made by Juan valid? Explain.
2. What are the effects if the donation propter nuptias is found to be void? Explain.
3. Can Isabella bring an action for annulment of the void donation? Explain.
4. Assuming the donation is found to be valid, what are the rights and obligations of the spouses with regard to the donated property during their marriage? Explain.