Matthew 8:14 N-AFS
BIB: εἶδεν τὴν πενθερὰν αὐτοῦ βεβλημένην
NAS: He saw his mother-in-law lying sick
KJV: he saw his wife's mother laid, and
INT: saw the mother-in-law of him having been laid down

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