Proverbs 16:6 uses the same phrase 'loyalty and faithfulness' to describe atonement, linking these virtues to both forgiveness and kingship.

Proverbs 3:3 urges binding love and faithfulness to oneself, the same virtues that preserve a king's throne in Proverbs 20:28.

Proverbs 16:12 says a throne is established by righteousness, complementing the role of loyalty in Proverbs 20:28.

Proverbs 25:5 says removing wicked establishes a throne through righteousness, another facet of what secures a king's rule.

Proverbs 29:14 adds that judging the poor fairly also establishes a throne, broadening the theme of righteous rule.

Psalm 21:7 says the king trusts in God's unfailing love, the same divine loyalty that preserves his throne in Proverbs 20:28.

Isaiah 16:5 explicitly says a throne is established in love and faithfulness, directly echoing Proverbs 20:28 with messianic hope.

Jeremiah 22:15 shows that a king's security comes from doing justice, not wealth — aligning with the theme that love and faithfulness uphold the throne.