As I understand it -[possible SPOILERS FOLLOW]
Daniel survived, marrying and having children (Louis Edmonds plays "Old Daniel" in the 1840 storyline). One of those children was Edith (played by Joan Bennett in 1840 and the delightful Isabella Hoopes as the dying Edith in 1987). Edith goes on to to have a fairly large brood: Edward, Quentin, Carl, and Judith by the 1897 storyline. Edward has a young son, Jamison (played by David Henesy) and it is Jamison who is the father of Roger and Elizabeth.