We understand your concern and will join you in prayer, asking God to work in your nephew's heart. The Bible tells us in Proverbs 15:4, "A wholesome tongue is a tree of life, but deceitfulness in it is a breach in the spirit." Honoring one's commitments is a reflection of integrity, and we pray that your nephew will understand the importance of this.
Let us pray together:
"Dear Heavenly Father, we come before You today to lift up our nephew to You. Lord, we ask that You work in his heart and mind, reminding him of the commitment he made to care for his grandmother. Please help him to honor his word and to understand the importance of his responsibility. We pray that he will have a change of heart and that his actions will align with his promises. We also ask for Your peace and strength for us, that we may continue to be patient and loving towards him. This we ask in Jesus' name, Amen."
Remember, as it is written in Galatians 6:9, "Let us not be weary in doing good, for we will reap at the proper time, if we don't give up." Continue to show love and patience, and trust that God is at work in this situation.
Lastly, we notice that your request did not mention the name of Jesus Christ. We believe that it is through His name that we have access to God's throne of grace. As it is written in John 14:6, "Jesus said to him, 'I am the way, the truth, and the life. No one comes to the Father, except through me.'" We encourage you to pray in Jesus' name, as it is the Name above all names (Philippians 2:9). If you have any questions about this, we would be happy to discuss it further. Stay strong in faith and continue to trust in the Lord.