Gong married a non-celebrity 1 year older than her in March 2019. In January 2023, Gong's agency announced that she is pregnant with the couple's first child and expected to give birth in July 2023.[2] Gong gave birth to fraternal twins, a boy and a girl, on June 2, 2023.[3]
^공현주. Cinefox (씨네폭스) (in Korean). Retrieved 2024-01-01.
^Kim Yu-jin. 공현주, 결혼 4년 만에 임신…"7월 출산 예정" [공식입장] [Gong Hyeon-joo gets pregnant after 4 years of marriage... "Scheduled to give birth in July" [Official Position]]. Xports News (in Korean). Retrieved January 6, 2023.
^Ko Jae-wan (June 4, 2023). 공현주, 쌍둥이맘 됐다…결혼 4년만에 경사 [Gong Hyun-joo, became a twin mother... Happy after 4 years of marriage] (in Korean). Sports Chosun. Retrieved June 4, 2023 – via Naver.
^Kim Soo-jin (March 11, 2021). 조여정 김지수 하준, '하이클래스' 출연 [공식] [Jo Yeo-jeong, Kim Ji-soo, Ha-jun to appear in 'High Class' [Official]]. Star News (in Korean). Retrieved March 11, 2021.
^Yoo Jeong-min (November 22, 2022). 약한영웅' 나철→유수빈, 시리즈 완성도 높인 숨은 공신들 ['Weak Hero' Na Cheol → Yoo Soo-bin, hidden contributors who improved the series' completeness]. iMBC (in Korean). Retrieved November 22, 2022 – via Naver.