User blog comment:Dinosel/One Piece Discussion/Theory! Who is Luffy's mom?/@comment-106.68.146.170-20160710023512/@comment-1940096-20160711155956

Nah the mother is unknown but Big Mom is Morgan's mother. http://s1262.photobucket.com/user/DarkSkullPirates/media/familytree.png.html See?