Section 6. Who may be appointed guardian of the person or property, or both, of a minor. –

In default of parents or a court-appointed guardian, the court may appoint a guardian of the person or property, or both, of a minor, observing as far as practicable, the following order of preference:

1. the surviving grandparent and In case several grandparents survive, the court shall select any of them taking Into account all relevant considerations;

2. the oldest brother or sister of the minor over twenty-one years of age, unless unfit or disqualified;

3. the actual custodian of the minor over twenty-one years of age, unless unfit or disqualified; and

4. any other person, who in the sound discretion of the court, would serve the best interests of the minor.