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Xion (ONEUS) Profile, Bio, & Facts

Xion (ONEUS)

Xion (시온) is a South Korean singer and a member of the Kpop boy group ONEUS under RBW.

Xion (ONEUS) Profile

Stage NameXion (시온)
Birth NameSon Dongju (손동주)
BirthdayJanuary 10, 2000
Active Years2018–present
Age24 (in 2024)
Zodiac SignCapricorn
Height173 cm (5’8″)
Weight56 kg (121 lbs)
Blood TypeAB

Xion (ONEUS) Facts:

Early Life

–  Son Dongju was born in Seoul, South Korea.
– He moved to Gwangju with his family and then to Yongin.
– He went to Taejang Middle School.
– In high school, he was part of the musical club ‘AAM.’
– He learned to play the piano, violin, and guitar and participated in soccer and basketball at sports centers in elementary school. He also practiced Taekwondo.

Personal Life

– He and his family moved to Suwon from Yongin. (ONEUS x OSEN #Star Road 01).
– He graduated from Taejang High School.
– He was initially supposed to use the stage name ‘Leedo.’
– He has long eyelashes.
– He said Seoho makes him laugh the most according to the members.
– Instead of clipping his fingernails, he bites them.
– He has a big appetite (Oneus We Will Debut ep. 2).
– The stage name ‘Xion’ was originally intended for Seoho.
Leedo said despite being a maknae, he is very trustworthy and also takes care of the hyungs well. (THE STAR)
– He is very sensitive to sound while sleeping.
– As a child, he dreamed of becoming a doctor.
– Whenever he expressed interest in something, his mom would enroll him in lessons to help him find his passion.
– His nickname is Doongdoongie.
– Seonho said he gets distracted easily. (Hanryu Pia)
– He has a fraternal twin brother, Dongmyeong from ONEWE, who is older by one minute.
– He often watches his favorite musicals and ONEUS videos on his phone.
– Leedo mentioned that Xion bites quite hard and often leaves marks.
– His motto, “If not, then whatever!” comes from his teacher’s advice to try things and not worry if they don’t work out.
– He has loved skating since he was young and often used to go skating in winters. (K Style)
– He thought he was allergic to crustaceans so he would get allergy shots after eating shrimps but he later discovered that he wasn’t allergic to it or might have overcome it. Doctors still don’t know what causes hives on his body.
– He is a good listener and is easy to talk to according to Seoho.
– He doesn’t believe in fate. (Tingle ASMR)
– He shaves everyday.


– Xion is the Sub Vocalist, Visual, and Maknae in ONEUS.
– He along with his brother was the host for K-Pop Chart & News (V HEARTBEAT WEEKLY) episodes 8–26.
– He was introduced as an RBW Boyz trainee in April 2018.
– He and Leedo were the last members to join RBW Boyz.

Likes & Dislikes

– He loves to watch dramas at home and play with Hwanwoong. (K Style)
– He loves Disney movies, especially Cruella.
– He dislikes working out.
– He liked the K-drama ‘King the Land’. (TV Guide Japan)
– He hates sweating so he doesn’t have any active hobbies.

Food Preferences

– His favorite foods are pork belly and chicken.
– He dislikes caramel macchiatos because they are too sweet.
– His favorite Japanese food is Ichiran ramen and beef cutlets and cutlets with miso soup. (Shukan Josei)
– He can’t eat raw tomatoes because he dislikes their smell.
– He always eats caramel popcorn and drinks coke when he goes to watch movies.
– He loves to drink cola a lot.
– He likes ramen with spam and japaguri.


– He has a good memory according to Keonhee.
– He can sit in the M shape.
– Keonhee said Xion is good at remembering events that happened between the members as well as birthdays and places they visited so he knows the most about the members.
– He is not good at riding roller coasters or pirate ships.
– Seoho said he is skilled in comebacks and banter.

Personality & Habits

– He is the type to speak up if he got the wrong order at the resturant. (STYLECASTER)
– He is known for being straightforward.
– He has a habit of leaning to his sides and losing balance when he tries to stand straight.
– Xion is the easiest to get upset among the members along with Ravn. (Glamour)
– He would describe his personality as ‘stubborn’, ‘bright’ and ‘cute’.
– He is a homebody and doesn’t like to go out much. (K Style)

Xion Photos

 Note: How did you get to know Xion? Mention your story in the comments section and also share more facts with us if you know!

‘Now’ – Fancam:


Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^

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