forgot my paswword to my apple ID to my mom

hello there

i forget the password of aple ID to my mom

apple ask me to send it by email

which this email does not work so i try to security questions

i remember the 3 security answer which i put

but before these answer

apple ask me for birthdays mom

i put it and it say me is wrong

how can i resolve my problem

i cant find a solution to put my mom's number at leastto reset my password