|Birthdate||March 20, 1999|
|Birthplace||Garut, West Java, Indonesia|
|Current Age||20 Years Old|
|Idol Career Info|
|Former Team||JKT48 Trainee Candidate|
|Debuted||May, 2016 / 5th Generation|
Helma Sonya was a JKT48 Trainee candidate.
- Hi, Aku percaya senyum dan usahaku akan sampai ke hatimu. Panggil aku, Helma
- (Hi, I believe my smile and my effort will reach to your heart. Call me, Helma)
- Name in Japanese: ヘルマ・ソニア
- Nickname in Japanese: ヘルマ
- Skill: Cooking and Volley
- Her favorite food is broccoli and spinach
- Her oshi is Melody Nurramdhani Laksani
- She is scared of worms
- She was scared of wotas at first when she joined JKT48 but now she is already used to them
- When the JKT48 5th generation's Twitter accounts was released on July 20, 2016, her own account was not active until she resigned.
- She debuted on August, 18 as a back-up dancer in Pajama Drive (only appeared once).