The name of the child in Twilight that Bella almost died giving birth to, and was saved by Edward at the last second, is Renesmee Carlie Cullen. To find this answer, you could have either read the Twilight series books or watched the movies. In Twilight: Breaking Dawn - Part 1, the fourth installment of the Twilight movie series, the character of Renesmee is introduced. The books provide a more detailed explanation of Renesmee's birth and how she becomes an important character in the series.
