What do we do if a family member is engaging in antisemitic remarks?

What do we do if a family member is engaging in anti-Semitic remarks to a family member as a way of upsetting them and dominating? Even though our family is Jewish (perhaps egged on by non-Jewish extended family members)

It is important to recognize that the criminal law is not the answer to every issue that involves antisemitic conduct. Hate speech laws are confined to the most extreme forms of speech and do not apply to private conversations.