YOU SAID:

family doesn't have to be blood

INTO JAPANESE

家族は血でなければなりません。

BACK INTO ENGLISH

Families must be blood.

INTO JAPANESE

家族は血をある必要があります。

BACK INTO ENGLISH

The family must be blood.

INTO JAPANESE

家族は血をある必要があります。

BACK INTO ENGLISH

The family must be blood.