We are glad to join you in prayer for your brother's future spouse and family. It's important to remember that God's will and timing are perfect, and He knows the best partner for your brother.
We need to emphasize that it is important that a wife is not merely good, but a Godly woman. Proverbs 31:10-31 WEB describes a wife of noble character, reminding us that "A capable, intelligent, and virtuous woman, who is he who can find her? She is far more precious than jewels, and her value is far above rubies or pearls." We should pray that your brother finds a woman who loves the Lord with all her heart, soul, and mind, as this will greatly bless their marriage.
Regarding children, Psalm 127:3 WEB tells us that "Behold, children are a heritage of Yahweh. The fruit of the womb is his reward." It is wonderful to pray for the blessing of children, but we must remember that the number of children is not as important as raising them in the fear and admonition of the Lord.
Let us pray:
Heavenly Father, we come before You today in Jesus' name, lifting up the brother of Anonymous. Lord, we pray that You will guide him to a Godly wife, a woman who loves You and seeks to honor You in all she does. We pray that their marriage will be a beacon of Your love and grace to the world.
We also pray for the blessing of children in their marriage. May they be blessed with as many children as You see fit, and may each child be raised to know and love You.
We ask this in Jesus' name, for it is by His name we have access to You. "For 'whoever will call on the name of the Lord will be saved.'" Romans 10:13 WEB. We also pray that Anonymous and their brother both know Jesus Christ as Lord and Savior and that they are born again. We pray that if they have not repented of their sins and trusted Jesus as Lord and Savior they will today.
Father, we thank You for Your faithfulness and Your love for us. We trust that Your will shall be done concerning Anonymous and their brother. In Jesus' name, we pray. Amen.
Remember, God works all things together for good for those who love Him and are called according to His purpose. Trust in His timing and will for your brother's life.