be in (one's) blood

To be innate, as of a skill or quality. All of my relatives are doctors—medical prowess is just in our blood.

Name	Pronounced	Usage
Petter	-	Swedish, Norwegian
Lilija	-	Lithuanian, Latvian
Thalita	-	Portuguese (Brazilian)
RadoŠ	-	Czech
Nikeisha	ni-KEE-shə	African American (Rare)
Djamila	-	Arabic