Does Green Arrow know Deathstroke in the comics?

Yes, in some comic storylines, Deathstroke did train Green Arrow.

No, Deathstroke did not train Green Arrow in the comics.

Yes, in some comic storylines, the Green Arrow does die.

Yes, Green Arrow has died in some comic storylines.

The Green Arrow has married in certain comic storylines. The details of the marriage, such as the spouse and the circumstances, can differ based on the specific comic series and creative direction.

Yes, Green Arrow has been depicted as killing in some comic storylines, but it's not a common occurrence for his character.

Yes, sometimes Green Arrow is shown to kill in certain comic storylines, depending on the circumstances and the creative direction of the writers.

Yes, sometimes the Green Arrow has ended up in jail in certain comic storylines.

Yes, Green Arrow has a sister named Emiko Queen.

In the comics, Green Arrow and Felicity don't tie the knot. Their storylines have various developments and complications, but marriage isn't one of them. Maybe it's to keep the character dynamics interesting and evolving.