One Piece - Dragon's true identity, Monkey D. Family tree part 1

My theory about Dragon is little bit different from all the theories that you've read about him, so, in order to understand the idea behind it we must understand how an organisation like

Do you think Monkey D. Dragon knew the Gomu-Gomu fruit's true

One Piece - Dragon's true identity

Luffy's entire One Piece family tree, explained

One Piece (season 15) - Wikipedia

One Piece: Every member of the D. family as of chapter 1088

One Piece - Dragon's true identity

Monkey D. Dragon, One Piece Wiki

One Piece - Dragon's true identity

What is Monkey D. Dragons true power? - Quora

One Piece - Dragon's true identity

What Does the D Stand for in One Piece? Explained!

HUGE THEORY: Blackbeard is Rocks D. Xebec, and Dragon and Shanks