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
Keighley	-	English (Rare)
Eppie	EP-ee	English (Archaic)
Benedicta	-	Late Roman
Wilhelm	VIL-helm (German), VEEL-khelm (Polish)	German, Polish, Ancient Germanic
Noga	-	Hebrew
Gundhram	-	Ancient Germanic