3994. penthera
Lexical Summary
penthera: mother-in-law

Original Word: πενθερά
Part of Speech: Noun, Feminine
Transliteration: penthera
Pronunciation: pen-ther-AH
Phonetic Spelling: (pen-ther-ah')
KJV: mother in law, wife's mother
NASB: mother-in-law
Word Origin: [feminine of G3995 (πενθερός - father-in-law)]

1. a wife's mother

Strong's Exhaustive Concordance
a mother-in-law

Feminine of pentheros; a wife's mother -- mother in law, wife's mother.

see GREEK pentheros

NAS Exhaustive Concordance
Word Origin
fem. of pentheros
Definition
a mother-in-law
NASB Translation
mother-in-law (6).

Thayer's Greek Lexicon
STRONGS NT 3994: πενθερά

πενθερά, πενθερᾶς, (feminine of πενθερός, which see), a mother-in-law, a wife's mother: Matthew 8:14; Matthew 10:35; Mark 1:30; Luke 4:38; Luke 12:53. (Demosthenes, Plutarch, Lucian, others; the Sept. for חָמות.)

Topical Lexicon
Definition and Scope

Strong’s Greek 3994 identifies the close female relative created when a man marries: his wife’s mother. The New Testament employs the term only six times, always as singular and feminine. Beyond the lexical range, Scripture presents the mother-in-law in two principal spheres—Jesus’ miraculous healings and His prophetic warnings about familial division that attends gospel allegiance.

Occurrences in the New Testament

Matthew 8:14
Mark 1:30
Luke 4:38
Matthew 10:35
Luke 12:53 (twice, singular and accusative)

Historical and Social Background

First-century Jewish households were multi-generational. A mother-in-law commonly lived within or near the married couple’s home, wielding practical and moral influence. Honor-shame dynamics required sons-in-law to show respect, while mothers-in-law protected family purity and tradition. This backdrop explains why her illness in Capernaum drew urgent concern and why Jesus’ forecast of discord felt so radical—family cohesion was a defining cultural value.

The Healing of Peter’s Mother-in-Law

All three Synoptics record the same event by the Sea of Galilee.

Mark 1:30–31: “Simon's mother-in-law was sick in bed with a fever, and they immediately told Jesus about her. So He went to her, took her by the hand, and helped her up. The fever left her, and she began to serve them.”

Matthew 8:14–15 and Luke 4:38–39 echo the account, adding that Jesus “rebuked the fever,” underscoring His sovereign word over sickness. Several themes arise:

1. Swift Compassion: The disciple’s private need received public attention from the Lord.
2. Authority Over Common Illness: A fever—ordinary yet potentially fatal in antiquity—fell under Christ’s dominion.
3. Restoration to Service: Her immediate ministry to Jesus and the house models saved people serving their Savior.
4. Household Evangelism: The miracle within Peter’s family validated the gospel at the earliest stage of apostolic mission.

Mother-in-Law as a Symbol of Familial Division in Discipleship

Matthew 10:35 quotes Micah 7:6, applying prophetic imagery to messianic times: “For I have come to turn a man against his father, a daughter against her mother, a daughter-in-law against her mother-in-law.” Luke 12:53 repeats the theme, adding the inverse relationship: “mother-in-law against daughter-in-law and daughter-in-law against mother-in-law.”

Key observations:

1. Gospel Priority: Allegiance to Jesus outranks the strictest kinship bonds.
2. Mutual Opposition: Both generations may resist or accept the gospel; conflict can run either direction.
3. Fulfillment of Prophecy: Jesus presents Himself as the dividing line foreseen by Micah.
4. Cost of Discipleship: Conversion can unsettle those whose identities are rooted in ancestral tradition, highlighting the need for perseverance and grace.

Theological Reflections

A. Christ’s Lordship: Whether relieving fever or redefining family loyalties, Jesus exercises complete authority.

B. Family as Mission Field: The first miracle in Peter’s household demonstrates that evangelism begins at home.

C. Suffering and Service: Physical restoration leads directly to vocational ministry, illustrating the purpose of healing.

D. Eschatological Realities: The fracture of household peace anticipates the final separation of believers and unbelievers.

Practical Ministry Implications

• Pastoral Care: Illness among extended family merits congregational intercession, following the disciples’ appeal on behalf of Peter’s mother-in-law.
• Discipleship Counseling: New believers facing domestic opposition require biblical preparation and supportive community.
• Women’s Ministry: The healed mother-in-law embodies servant leadership among older women, mentoring by practical example (compare Titus 2:3–5).
• Evangelism Strategy: Household contacts—parents-in-law, children, spouses—remain strategic avenues for gospel witness (see Acts 16:30-34).

Connections to Old Testament Patterns

Naomi and Ruth illustrate covenant fidelity between a mother-in-law and daughter-in-law, foreshadowing the gospel’s ability both to divide and, when embraced, to unite families across ethnic lines. Similarly, Moses’ relationship with Jethro (though father-in-law) shows the in-law bond as a conduit for wise counsel and blessing.

Christological Significance

The miracle in Simon’s house is among the earliest recorded healings, revealing Jesus as the great Physician whose authority transcends synagogue and home alike. Conversely, the predicted clash within households confirms His messianic identity by fulfilling prophetic Scripture and confronting idolatrous loyalties.

Conclusion

Strong’s Greek 3994 surfaces in narratives that display both the tender mercy and disruptive power of Jesus Christ. The mother-in-law is healed to serve and, in prophetic contrast, becomes a figure in family conflict provoked by the gospel. Together these texts call believers to entrust every domestic circumstance to the sovereign Savior who alone heals, divides, and ultimately reconciles all things to Himself.

Forms and Transliterations
πενθερα πενθερά πενθερὰ πενθεραν πενθεράν πενθερὰν πενθερας πενθεράς πενθερᾶς penthera pentherà pentheran pentherán pentheràn pentheras pentherâs
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Matthew 8:14 N-AFS
GRK: εἶδεν τὴν πενθερὰν αὐτοῦ βεβλημένην
NAS: He saw his mother-in-law lying sick
KJV: he saw his wife's mother laid, and
INT: he saw the mother-in-law of him lying sick

Matthew 10:35 N-GFS
GRK: κατὰ τῆς πενθερᾶς αὐτῆς
NAS: AGAINST HER MOTHER-IN-LAW;
KJV: against her mother in law.
INT: against the mother-in-law of her

Mark 1:30 N-NFS
GRK: ἡ δὲ πενθερὰ Σίμωνος κατέκειτο
NAS: Simon's mother-in-law was lying sick
KJV: Simon's wife's mother lay
INT: and [the] mother-in-law of Simon was laying sick

Luke 4:38 N-NFS
GRK: οἰκίαν Σίμωνος πενθερὰ δὲ τοῦ
NAS: Simon's mother-in-law was suffering
KJV: Simon's wife's mother was
INT: house of Simon [the] mother-in-law moreover

Luke 12:53 N-NFS
GRK: τὴν μητέρα πενθερὰ ἐπὶ τὴν
NAS: mother, mother-in-law against
KJV: the mother; the mother in law against
INT: mother mother-in-law against the

Luke 12:53 N-AFS
GRK: ἐπὶ τὴν πενθεράν
NAS: against mother-in-law.
KJV: against her mother in law.
INT: against mother-in-law

Strong's Greek 3994
6 Occurrences


πενθερὰ — 3 Occ.
πενθερὰν — 2 Occ.
πενθερᾶς — 1 Occ.

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