Nobody knows. The Arab historians usually give each person's age at death, together with the year of death. They say that Sawda died in 674 but they don't give her age.
Mirza Rafi Sauda was born in 1713.
Francis Zama was born in 1956.
Huzaima bint Nasser was born in 1884.
Safiyya bint Huyayy was born in 601.
Aliya bint Ali was born in 1911.
Bint al-Huda was born in 1938.
Hafsa bint Umar was born in 606.
Sukayna bint Husayn was born in 676.
Musbah bint Nasser was born in 1884.
Zaynab bint Khuzayma was born in 595.
Haifa bint Faisal was born in 1950.
Princess Nejla bint Asem was born in 1988.