In March 1617 they set sail. It was soon apparent, however, that Pocahontas would not survive the voyage home. She was deathly ill from pneumonia or possibly tuberculosis. She was taken ashore, and, as she lay dying, she comforted her husband, saying, "All must die. Tis enough that the child liveth." She was buried in a churchyard in Gravesend, England.
Found that on a rather lovely website called www.findagrave.com