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
Yngvarr	-	Ancient Scandinavian
Yaroslav	yah-rah-SLAHF (Russian)	Russian, Ukrainian, Medieval Slavic
Frangag	-	Scottish
Paride	-	Italian
Pamphilos	-	Ancient Greek
Sylvanus	-	English (Archaic)