Question – What does `Abdu’l-Bahá’s Will and Testament say?

Based on the Will and Testament, the guardians will come one after another, and each will chose their successor, and the guardian is the permanent head of the House of Justice. According to the Will and Testament’, Shoghi Effendi, the grandson of `Abdu’l-Bahá, was chosen as the first guardian, and after him, from his sons, the primogeniture would be the next guardian.