Answer
Yun Chi-ho's father was Yun Ung-nyeol, a notable calligrapher and poet during the late Joseon Dynasty. He gained recognition for his exceptional talent in calligraphy, earning him the honor of being appointed as a royal calligrapher for the Joseon court. Yun Ung-nyeol's contributions to the field of calligraphy earned him a prominent reputation, influencing and inspiring future generations of calligraphers in Korea.