Nginku was born in Warakurna, which is her father's country and grandfather's country. Nginku grew up in Warakurna and saw her first whitefella at Kartjiungu, which is the first creek west of Docker River. The man was riding a camel there.
Nginku's mother's country is Irruntu. When Nginku was young she would travel with her family to Areyonga for rations, and this is where she met her husband.
Nginku has been painting, weaving tjanpi and carving punu for many years.