Who is Marguerite Oswald from Case Closed: Lee Harvey Oswald and the Assassination of JFK and what is their importance?

Marguerite Oswald was Lee Harvey Oswald's mother. She had three sons with her husband, who died a few months before Lee's birth. The boys were temporarily placed in a children's home while Marguerite got herself together. She took her boys back before moving to Dallas and marrying her second husband, Edwin Eckdahl.