User blog comment:Kunoichi101/Chapter 965: Wano's Dark Truth/@comment-25654036-20191214130525

So Oden was actually Ace's predecessor and the first captain of te 2nd Division.

It also seems like Marco was already the captain of the 1st ship, though he is young yet he already possess the pheonex fruit so it is possible.

And we got to kkow how Orochi had pulled it all off.