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
Steen	-	Danish
Juliska	-	Hungarian
Denton	['dentən]
Vortigern	VAWR-ti-gərn (English)	History
Carlie	KAHR-lee	English
Noemi	naw-E-mee (Italian)	Italian, German, Czech, Biblical Latin