Joanne Tseng has an older sister, her parents are teachers and her family is part of the Atayal which are about 90,000 people.
She has an older sister, Chih-ying (). Both of her parents are teachers. Her family is part of the Atayal indigenous Taiwanese tribe. The Atayal people numbered around 90,000, approximately 15.9% of Taiwan's total indigenous population, making them the third-largest indigenous group. 
