His eldest son, Kung Wei-i, once taught Chinese literature at the National Taiwan College of Arts (now National Taiwan University of Arts), but he died of heart disease in 1989. Kung's eldest grandson, Kung Chui-chang, a 30-year-old businessman, is heir apparent to the title of Sacrificial Official to Confucius.
孔老先生育有 2 子 2 女，長子孔維益，曾任教國立藝專中文系，但在民國 78 年不幸因心臟病去世；長孫孔垂長今年約 30 歲，目前從商，將來即是「至聖先師孔子奉祀官」的繼任者。