MariahCarey has shared the moving promise she made ... The singer also wrote: 'I loved her deeply, and like most kids, I wanted her to be a safe place for me. 'But ours is a story of betrayal ...
The pop singer's mom Patricia and sister Alison died on the same day over the weekend, PEOPLE confirmed MariahCarey/Facebook Mariah ... even dedicating her memoir to her kids, her ancestors ...