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
Leonardo	le-o-NAHR-do (Italian, Spanish), lee-ə-NAHR-do (English)	Italian, Spanish, Portuguese, History
Appleyard	['æplja:d]
Smiljana	-	Croatian, Serbian
Kayly	KAY-lee	English (Rare)
Mahalia	-	English
Meltem	-	Turkish