I Survived Or Did I

The book is about a family who did not want children so when they had twins…my father decided to drown one of us....it was afraid of the dark so I stayed by the camp fire while my sister went off to the lake with my father....she never returned.... The book is about a family not fit for children or any one they did not like to be around......they murdered my aunt by injecting a triple shot of morphine in her arm just to get her money.... The book also tells of the only daughter who was mistreated but survived but never knew which one she was.....they called her one name but all thru life went by another name....there were 2 birth cert....so which one was the right name for the only girl left....did she survived or did she....