On October 22, Ryu posted two photos on his Instagram with the caption, "A peaceful walk with my family💕."
The photos show Ryu enjoying a family outing with his wife and their daughter, who is not yet a year old. His wife, pushing a stroller, caught attention with her slender figure.
Ryu Si-won, born in 1972 and now 52 years old, remarried in February 2020 to a non-celebrity 19 years his junior. His wife is known to be a math instructor in Daechi-dong.