I swore an oath
to protect you and your SISTER.
Game of Thrones Season 7, Episode 6
My SISTER.
Game of Thrones Season 7, Episode 5
She's my twin SISTER.
The Big Bang Theory Season 1, Episode 15
She gave it to my SISTER
about her boyfriend.
The Big Bang Theory Season 10, Episode 12
No one will ask if I spent the night
with Raj's SISTER.
The Big Bang Theory Season 4, Episode 6