We do BREED them tough in the North.
Game of Thrones Season 5, Episode 7
Some of them don't think Dothraki
should BREED with foreigners.
Game of Thrones Season 6, Episode 4
Good prisoners BREED good jailers,
apparently.
Game of Thrones Season 2, Episode 7
Titles do seem to BREED titles.
Game of Thrones Season 3, Episode 3
You're still fertile.
You need to marry again and BREED.
Game of Thrones Season 3, Episode 5