从上面链接,第4段 Once a step-parent relationship has been established, the obligations of that step-parent towards the children are similar to those of the natural parents. The process for determining the child support amount when there are step-parents is not set out clearly in federal, provincial or territorial legislation. The Federal Child Support Guidelines, for example, currently allow judges to set a child support amount they consider appropriate. When making this decision, judges must take into account the amount set out in the child support tables and the legal duty of any parent other than the step-parent to support the children.
似乎在阿尔伯塔省,继父母须依法提交领养他/她的继子女
LZ这样做了吗? 如提交适当的文件,以合法领养LZ的继女 http://www.reliableadoption.ca/province/alberta_stepparent_adoption/