Being a church member and practicing religion does not make you a child of God. You need to follow and obey Jesus Christ.
Those who are being led by the Spirit of God, they are the children of God.
It is only those who obey the words of Jesus, as they are also recorded in the gospels, Matthew, Mark, Luke and John, that love Him and who are His true followers.
Jesus requires discipleship. His sheep hear His voice, and they follow Him.
Are you one of His sheep?
May Jesus bless you.