Miranda Sommers Gilbert is jeremy's mother Elena s adoptive mother / aunt grayson's wife and sister of Jenna toghter  she and her husband adopt elena when her birth mother isobel gives birth and run away .

later years  she was pregnant and give birth to a son named jeremy on may 23 2009 miranda and grayson has a tragic accident it turn out stefan arrived the scene about to save the gilbert but they refused and tell him to save their daughter so stefan did save elena and came back the gilbert but it was to late they both drowed.

elena find out that she was adopted and reveled to be their birth niece from elena 's birth father uncle john has a relationship with isobel her birth mother.