Ngesti was born on September 8th, 1976 in Surabaya. Ngesti's father was Soeradi and her mother is Soewarni Ponanti. Her paternal grandparents were Tomo Dimedjo and oma tomo; her maternal grandparents were Ketang and Samu. She has a brother and four sisters, named Giri, Iwin, Emi, Widiarti and Reni. She is the third oldest of the six children.