Stage Name: Jeongyeon
Birth Name: Yoo Kyung Wan (유경완), but she legalized her name to Yoo Jung Yeon (유정연)
Nationality: Korean
Position: Lead Vocalist
Birthday: November 1, 1996
Zodiac Sign: Scorpio
Official height: 169 cm (5’7″) / Real Height: 169 cm (5’7″)
Weight: 49 kg (108 lbs)
Blood Type: O
Source : DKPopNews