TV series example of the word

Breaking Bad Season 3, Episode 12
I got a granddaughter a few years older.

Game of Thrones Season 1, Episode 4
Your older brother was trained to lead and you were trained to follow.

Game of Thrones Season 3, Episode 5
Sansa is the key to the North? I seem to remember she has an older brother.

Game of Thrones Season 4, Episode 2
It's a shame your older brother couldn't attend the wedding.

Game of Thrones Season 4, Episode 7
did she mention that Lollys has an older sister?