The Complete Dragon Ball Timeline

Can someone please explain the Dragon Ball Z timeline to me and how two separate Cell and Trunks from two separate timelines ended up in the main timeline? : r/dbz

Dragon Ball Timelines graphic • Kanzenshuu

The Dragon Ball Z Alternate Timeline Theory

Dragon Ball Super's Timeline by DXRD on DeviantArt

Dragon Ball timeline chart by Haddad062 on DeviantArt

Dragon Ball Timelines Revisited • Kanzenshuu

Alternate Timeline, Dragon Ball Wiki

The Complete Dragon Ball Timeline

Emerald Rangers: Re-Writting the Dragon Ball Z Movies to Fit the Canon