and no one can trust their relatives JER 9.4

Jeremiah 9:4
Everyone must be on guard against their friends, and no one can trust their relatives; for all relatives are as deceitful as Jacob, and everyone slanders their friends.
In Context | Full Chapter | Other Translations
Jeremiah 12:6
Even your relatives, members of your own family, have betrayed you; they join in the attacks against you. Do not trust them, even though they speak friendly words.”