In Which Bonnie Bennet has a one-night stand with a stranger and she finds out she is pregnant by none other than Thaddeus Mikaelson or Thaddeus Mikaelson finds out that vampires could indeed procreate (sometimes) Bonnie and Thaddeus were choosing names for their upcoming twins, getting along for once. "What about Isaiah?" Bonnie asked. "I like it." Thaddeus felt a smile spread on his lips. "Isaiah Bennett-Mikaelson." the word rolled off his tongue. "And for our little girl? Let's call her Eliana."