User blog comment:Dmurray1031/Crazy theory about Luffy's Mom./@comment-4498721-20111018054913

I think Luffy's mom is/was a D too, and we will learn about her when all this D thing got explained.

I think to be a D, both parents have to be D's, like in Ace's case. There isn't anything disproving that, is there? I dont remember any.