What Is Sonship?

By Bryan Kessler

What does it mean to be a son of God?

For many Christians, sonship simply means that God has become our Father through faith in Jesus Christ. We are no longer separated from Him. We have been adopted into His family, received the Holy Spirit, and can cry, “Abba! Father!”

All of this is gloriously true.

But biblical sonship involves more than entrance into God’s family. It also includes spiritual maturity, conformity to Christ, preparation for inheritance, and placement into the responsibilities God has prepared for His people.

We become God’s children through the new birth. Sonship is then developed within us as the Holy Spirit transforms us from immature children into mature, Christlike sons.

Sonship is the lifelong process of being formed into the image of Jesus Christ so that we can represent the Father and share responsibly in the Son’s inheritance.

The Father Has Always Desired a Family

Sonship began in the heart of the Father before creation. As the Father beheld His beloved Son in eternity past, He determined to have a family patterned after Him. Paul described this eternal purpose when he said that God predestined us “to become conformed to the image of His Son, so that He would be the firstborn among many brethren” (Rom. 8:29).

Jesus is the pattern Son. The Father’s goal is not merely to gather millions of forgiven people around His throne. He desires a family who reflect the nature of His beloved Son.

He wants sons who embody Christ’s humility, meekness, obedience, selflessness, purity, and sacrificial love. He intends to remove pride, independence, self-rule, and rebellion from us until the nature of the Lamb is formed within our hearts and souls.

God’s eternal purpose is to bring many sons to glory. This does not mean believers become divine or equal with Jesus. Christ alone is the eternal, uncreated Son. We are created people who receive His life and are progressively conformed to His image.

Sonship Includes Both Men and Women

The biblical language of sonship can create confusion, especially when Scripture refers to all believers as “sons.” But sonship is not about gender.

Both men and women are called sons of God because sonship describes our relationship with the Father, our conformity to Jesus, and our placement into Christ’s inheritance.

In the ancient world, a son was ordinarily the family member who received the father’s inheritance, status, authority, and responsibility. By calling both men and women “sons,” Scripture gives every believer the same spiritual privilege and invitation.

In the same way, both men and women comprise the bride of Christ. These identities describe relationships, not gender. As sons, we relate to the Father and are being formed into the Son’s image. As the bride, we relate intimately to Jesus and are being prepared to partner with Him forever.

Children of God and Sons of God

The New Testament sometimes uses different Greek words when speaking about believers as God’s children and sons.

The word teknon emphasizes birth and describes a child or offspring. We become God’s children when we are born again and receive the indwelling Spirit.

The word huios can emphasize the character, dignity, maturity, and responsibility of a son.

Paul said, “The Spirit Himself testifies with our spirit that we are children of God” (Rom. 8:16). This refers to the reality of new birth. But Paul also said, “All who are being led by the Spirit of God, these are sons of God” (Rom. 8:14). Here the emphasis is not merely upon being born of the Spirit but upon being led by Him.

A child of God possesses Christ’s nature within their spirit in seed form. A mature son increasingly expresses Christ’s character through their heart and soul.

A child has been born of God. A son has allowed himself to be instructed, trained, corrected, and led by God.

This distinction does not create two classes of Christians—those God loves and those He does not. Every true believer is God’s beloved child. Sonship describes the Father’s work of bringing His children into spiritual maturity.

Sonship Develops Through Three Phases

In my book The Eternal Blueprint, I describe adoption as involving three phases.

1. Placement into God’s Family

The first phase occurs when we receive Jesus Christ and are born again. We were outsiders—fatherless, separated from God, and wandering in sin. But the Father saw us, loved us, sought us out, revealed Christ to us, and brought us into His family.

The Spirit of the Son entered our spirits, made us alive to God, and gave us the right to cry, “Abba! Father!” God is not a distant ruler. He is our caring Father. We now have access to Him, fellowship with Him, and the inward assurance that we belong to Him.

2. Preparation for Christ’s Inheritance

After bringing us into His family, the Father places us under the governmental hand of the Holy Spirit. The Spirit becomes our personal child trainer. His goal is not merely to comfort us, bless us, or give us spiritual experiences. He works relentlessly to conform us to Jesus Christ.

He teaches, corrects, disciplines, circumcises, and applies the cross to our self-life. He trains us in the ways, purposes, character, and nature of our heavenly Father. The Holy Spirit develops Christ’s humility where there is pride. He forms obedience where there is independence. He produces meekness where there is self-assertion. He develops sacrificial love where there is selfishness.

This is the school of sonship.

3. Placement into Christ’s Inheritance

The final phase is placement into the inheritance for which the Father has been preparing us.

Paul spoke of believers “waiting eagerly for our adoption as sons, the redemption of our body” (Rom. 8:23). Though we have already entered God’s family, an aspect of our adoption still awaits completion.

At Christ’s return, the Father will place a mature corporate son into the eternal inheritance of Jesus Christ.

This is not about becoming more loved. A mature son is not loved more than an immature child. Placement into the inheritance is the Father’s recognition that His child has developed the character necessary to handle responsibility without squandering what has been entrusted to him.

The Holy Spirit Is Our Child Trainer

An immature child may legally be an heir while remaining unprepared to manage the inheritance. Paul explained that an heir, while still a child, remains under guardians and managers until the time determined by the father (Gal. 4:1–2). The inheritance already belongs to him, but he lacks the wisdom and character to manage it.

The same is true spiritually.

When we are born again, Christ’s nature is planted within us. But we are not instantly mature. We may still be self-absorbed, emotionally unstable, easily offended, ambitious, fearful, controlling, or resistant to correction.

If God entrusted us with the full weight of Christ’s authority while we were immature, it would ruin us. Therefore, the Father trains the children He loves.

Divine discipline is not an angry God punishing us because He is disgusted with our failures. It is a loving Father preparing us for our inheritance. The Holy Spirit uses correction, adversity, delay, suffering, relationships, Scripture, and the cross to transform our character. He trains us for reigning.

Sonship Means Being Led by the Spirit

Paul connected sonship directly to the Spirit-led life: “All who are being led by the Spirit of God, these are sons of God” (Rom. 8:14). Mature sons not only have the Spirit; the Spirt has them. They follow Him—only doing what they sense He is saying to do.

They allow Him to direct their thoughts, motives, relationships, priorities, words, and actions. They surrender their independence and submit increasingly to Christ’s lordship. They allow the Spirit to crucify their flesh.

Being led by the Spirit involves learning to recognize and obey the indwelling Spirit as He leads us according to the nature of Christ and the truth of Scripture. It requires learning to distinguish our own thoughts, emotions, and desires from His impressions, promptings, and direction.

Sonship Is Corporate

God’s eternal purpose is greater than producing a few mature individuals. The Father desires one corporate son composed of many sons—a mature man who becomes a corporate expression of Jesus Christ.

Paul said the church is to attain “to a mature man, to the measure of the stature which belongs to the fullness of Christ” (Eph. 4:13).

We enter God’s family individually, but the final expression of sonship is corporate.

The Father wants a people joined together in the life of Christ—submitted to one Head, formed into one nature, and prepared for one inheritance.

This corporate son will not be a collection of independent, isolated, and disconnected believers. It will be one body whose members have been broken of self-rule, filled with the life of Christ, and joined together by the Holy Spirit.

Sonship Prepares Us for Inheritance

Sonship is about growing into Christlike maturity so that we can faithfully and responsibly steward the inheritance we share with Christ.

The Father is training His sons for this very purpose—preparing us to inherit eternal intimacy, eternal authority, and eternal glory. He is preparing a people who can rule without pride, exercise authority without control, carry glory without self-exaltation, and remain deeply dependent upon Jesus. This is why maturity matters.

The throne requires the nature of the Lamb. God will only entrust Christ’s authority to those in whom Christ’s character has been formed.

Sonship is the Father taking us from spiritual infancy to Christlike maturity—from merely possessing the life of Jesus within us to becoming a mature expression of that life.

We are born as God’s children. We are trained as His sons. And we are being prepared to share in Christ’s inheritance.

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