Worf's son, and Worf, for that matter, on DS9

[Anwar]

And he didn't spare one thought for what he did to Kurn after he got his honor back.

 

[K'Toska]

And he didn't spare one thought for what he did to Kurn after he got his honor back.

I found that odd as well. It's not like I expected him to go turn Kurn's new life upside down, but a passing mention of him would've been nice.