Hazrat Saeed bin Jubair (may Allah have mercy on him), in the commentary of the verse { وَإِنْ تَعَاسَرْتُمْ فَسَتُرْضِعُ لَہُ أُخْرَی } of the Holy Qur'an, says that if suckling is established for something, then the mother has more right to it.