All four of Poe's natural and foster parents died before Poe.
Edgar Poe was probably his name at birth though there is no surviving birth certificate. After his natural parents died, he was taken in by foster parents John and Frances Allan. They had Poe baptized as Edgar Allan Poe.
Edgar Allan Poe's birth parents were David Poe, Jr and Elizabeth Arnold Hopkins Poe. David Poe, Jr abandoned the family probably sometime in 1810, and Elizabeth Poe died in 1811 from an unknown lung ailment while David Poe, Jr died at around the same time, cause unknown.
Edgar Poe was probably his name at birth though there is no surviving birth certificate. After his natural parents died, he was taken in by foster parents John and Frances Allan. They had Poe baptized as Edgar Allan Poe.
Richmond Virginia with his now foster parents, John and Frances Allan
Edgar Allan Brown died in 1975.
Edgar Poe. He was given the name Edgar Allan Poe by his foster family, John and Frances Allan, although they never formally adopted him.
No one adopted Poe. He was taken in by John and Frances Allan after Poe's parents died and raised him as his foster parents, but they ever legally adopted Poe.
Edgar Allan Poe's foster parents, John and Frances Allan, had no children of their own when they took Poe into their family, and they had no other children while Poe lived with them. After Poe left them, Frances Allan died, and John Allan remarried. Allan had three children with his second wife before he died. It is also believed that Allan produced at least one illegitimate child.
Both of Poe's foster parents, John and Frances Allan, died more than a decade prior to 1847, but Poe's wife, Virginia, died on January 30th of that year.
With her!
According to a family member, Edgar Allan Poe's natural mother, Elizabeth Arnold Hopkins Poe died of pneumonia. There is no history that Poe's natural mother died of tuberculosis as his wife later did.
It is very likely that Edgar Allan Poe's foster parents both died of consumption, or tuberculosis. The obituary for both Frances (1829, age 43 - 45) and John (1834, age 54 or 55) Allan said they died after a lengthy and (in Frances' case) painful illness.