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
Eleanore	['elinə]
Shulamit	-	Hebrew
Blodeuwedd	-	Welsh, Welsh Mythology
Fishke	-	Yiddish
BirutĖ	-	Lithuanian
Lonnie	LAHN-ee	English