E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Child of God (A),
in the Anglican and Catholic Church, means one who has been baptised; others consider the phrase to mean one converted by special grace and adopted into the holy family of Gods Church.
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In my baptism, wherein I was made a member of Christ, the child of God, and an inheritor of the Kingdom of Heaven.Church Catechism.