Doing the Father’s Will: Family Language in Matthew 12:50

Matthew 12:50

Ὅστις γὰρ ἂν ποιήσῃ τὸ θέλημα τοῦ πατρός μου τοῦ ἐν οὐρανοῖς αὐτός μου ἀδελφὸς καὶ ἀδελφὴ καὶ μήτηρ ἐστίν

Transliteration

Hostis gar an poiēsē to thelēma tou patros mou tou en ouranois autos mou adelphos kai adelphē kai mētēr estin.

The transliteration reflects a Koine-style pronunciation rather than Erasmian academic reconstruction.

Literal Translation

“For whoever does the will of my Father who is in the heavens, this one is my brother and sister and mother.”

The verse redefines family identity around obedience to the Father’s will rather than biological relationship.

Grammar Focus

Greek Expression Grammar Function
ὅστις ἂν ποιήσῃ Relative pronoun + particle + aorist subjunctive Expresses a general condition: “whoever may do”
τὸ θέλημα Accusative neuter singular noun Direct object of ποιήσῃ
τοῦ ἐν οὐρανοῖς Articular prepositional phrase Describes the Father as “the one in the heavens”
ἀδελφὸς καὶ ἀδελφὴ καὶ μήτηρ Predicate nominatives Defines relational identity

The use of the aorist subjunctive after ἂν gives the statement a broad, universal sense rather than referring to one specific individual.

Vocabulary Builder

Word Meaning Notes
ποιήσῃ may do Aorist subjunctive from ποιέω
θέλημα will, desire Often refers to divine purpose
οὐρανοῖς heavens Plural form common in Jewish Greek expression
μήτηρ mother Irregular third declension noun

Syntax Insight

The verse begins with a broad conditional-relative construction:

ὅστις γὰρ ἂν ποιήσῃ

This pattern is common in Koine Greek when expressing a universal principle:

“whoever may do…”

The demonstrative pronoun αὐτός then gives strong emphasis:

“that very person is my brother…”

Instead of focusing on biological lineage, the syntax moves the emphasis toward shared obedience and spiritual kinship.

Practice Prompt

Examine the phrase:

ὅστις ἂν ποιήσῃ

Why does Matthew use the subjunctive mood instead of the indicative here?

Think about how the combination of ὅστις and ἂν creates an open-ended invitation that applies to any person rather than one fixed individual.

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