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
Rina (4)	ṙee-nah	Japanese
Lela	-	English
Sulo	SOO-lo	Finnish
CzesŁAw	CHES-wahf	Polish
Denholm	-	English (Rare)
Per	PER (Swedish, Norwegian, Danish)	Swedish, Norwegian, Danish, Breton