谢谢Pricilla妹妹的回复.
在IMM5406 Additional Family Information指导中有句话令我还是不能肯定是否填入上述中前夫的孩子,请各位兄弟姐妹们帮忙解读一下:
This includes married children, adopted children, stepchildren and any of your children who have been adopted by others or who are in the custody of an ex-spouse or ex-common-law partner.