[11][12] Duma was born on 20 September 1983 in Medan, North Sumatra province – Indonesia to parents of Batak descent.
[15][16] On 31 August 2013, she married Indonesian Idol (season 2) runner-up and subsequent soloist singer Judika Nalon Abadi Sihotang.
[17] At the age of 23, Duma joined the 12th annual Puteri Indonesia national beauty pageant.
[21] Duma also first met her husband, Judika Nalon Abadi Sihotang during the Puteri Indonesia pageant in 2007.
[22][23] Priscila Perales of Mexico crowned her successor Alejandra Andreu of Spain by the end of the event.