I_just_need_one_ movie_ | Questions

I need this movie, only animated movie i cant remember. Animated Movie about two prince brothers they get separated when young. And their mother was poor. One of the brothers went looking for the mother. While acting blind to hide his identity. Later he found his mom she said "you cant be my son my son isnt blind" then he blinkt or something to proof he can see. Then she was happy bla bla bla. I needdddd to find this
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