What family adopted Edgar Allan Poe?

Edgar Allan did not have adopted parents. Poe had foster parents. He was taken in by Mr. and Mrs. John Allan; however they never adopted him. The Allans had Poe baptized "Edgar Allan Poe." The relationship between John Allan and Edgar Allan Poe was eventually very strained, but in honor of his foster parents, Poe used the Allan name prominently even though he could have simply used the initial. Often, the name is misspelled as "Allen."