China Naming Network - Almanac query - How many generations are there in Cen's stepchildren?

How many generations are there in Cen's stepchildren?

Qin Jifei, Ji Jixi, Ji Jilin, Ji Ji, Ji Ji, Ji Ji, Ji Ji, Ji Ji, Ji Ji, Ji Zhuofang, Ji Jihuan, Ji Ji Xiao, Ji Jidan, Ji Jihui, Ji Jiying, Ji Jiyao, Ji Jijing, Ji Jilin, Ji Jiqing and Ji Jimin.