Gu Changqing is the third, with two older brothers (Gu Changsong, Gu Changbai) and one sister (Gu Xiu)
The patriarch Gu Changqing has five sons and two daughters; second wife Mrs. Lv (male protagonist's mother)
Eldest: Gu Chengli (son of original wife Da He), wife Mrs. Fang
Second: Gu Chengyi (son of original wife Da He), wife Mrs. Xiao He
Third: Gu Chenglian (son of second wife Mrs. Lv), wife Mrs. Zhang
Fourth: Gu Chengchi (son of second wife Mrs. Lv), wife Mrs. Zhao
Fifth: Gu Chengyu (male protagonist)
Eldest daughter: Gu Xi (twin with the second son), husband Wang Quanshou
Youngest daughter: Gu Wan (four years older than the male protagonist)
Eldest Gu Chengli has one son and three daughters
Da Lang: Gu Wanhai, wife Li
Da Ya: Gu Lian
Er Ya: Gu Lan
Si Ya: Gu Xing
Second Gu Chengyi has two sons and one daughter
Er Lang: Gu Wanjiang
San Lang: Gu Wanhe
San Ya: Gu Mei
Third Gu Chenglian has one daughter
Wu Ya: Gu Yue