in the blood

and in one's blood

Fig. built into one's personality or character. John's a great runner. It's in his blood. The whole family is very athletic. It's in the blood.

Name	Pronounced	Usage
Lavrenti	-	Russian
Taliesin	tal-ee-ES-in (Welsh)	Welsh, Arthurian Romance
EirÍKur	-	Icelandic
Cade	KAYD	English
ApolÔNia	ə-poo-LAW-nyə	Portuguese (Brazilian)
Erminlinda	-	Ancient Germanic