Nomcebo Zuma, the 21-year-old daughter of former South Africa President Jacob Zuma, will marry Eswatini's King Mswati III. She will become the 16th wife of the 56-year-old Eswatini king. King Mswati III has led Africa’s last absolute monarchy since taking power in 1986. Eswatini, which was previously known as Swaziland, has a population of 1.1 million.