Can you explain a relation in action lines?

I'm writing a pilot. There's a couple scenes with the protagonists younger brother. I've avoided using any lines I found cringe, such as "you're my brother" or anything else obvious.

I feel reading the script you can pick up that their brothers, cousins or at least from the same neighborhood. Which I think is fine for in a TV show. Things like that become more clear as things go on.

I'm more wondering since the Pilot is a pitch to networks, should I have a line like "he sees _____, his younger brother" or something like that? Just to make things clear.

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u/TonyThePriest — 4 months ago