Matthew 27:56 ἐν αἷς ἦν Μαρία ἡ Μαγδαληνὴ καὶ Μαρία ἡ τοῦ Ἰακώβου καὶ Ἰωσὴφ μήτηρ καὶ ἡ μήτηρ τῶν υἱῶν Ζεβεδαίου.
Among them were Mary Magdalene, Mary the mother of James and Joses, and the mother of the sons of Zebedee.
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Mark 15:40 ἦσαν δὲ καὶ γυναῖκες ἀπὸ μακρόθεν θεωροῦσαι ἐν αἷς καὶ Μαριὰμ / Μαρία ἡ Μαγδαληνὴ καὶ Μαρία ἡ Ἰακώβου τοῦ μικροῦ καὶ Ἰωσῆτος μήτηρ καὶ Σαλώμη,
There were also women watching from afar, among whom were both Mary Magdalene, and Mary the mother of James the less and of Joses, and Salome;
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Luke 1:25 ὅτι οὕτως μοι πεποίηκεν κύριος ἐν ἡμέραις αἷς ἐπεῖδεν ἀφελεῖν ὄνειδός μου ἐν ἀνθρώποις.
"Thus has the Lord done to me in the days in which he looked at me, to take away my reproach among men."
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Luke 13:14 ἀποκριθεὶς δὲ ὁ ἀρχισυνάγωγος, ἀγανακτῶν ὅτι τῷ σαββάτῳ ἐθεράπευσεν ὁ Ἰησοῦς, ἔλεγεν τῷ ὄχλῳ ὅτι ἓξ ἡμέραι εἰσὶν ἐν αἷς δεῖ ἐργάζεσθαι ἐν αὐταῖς οὖν ἐρχόμενοι θεραπεύεσθε καὶ μὴ τῇ ἡμέρᾳ τοῦ σαββάτου.
The ruler of the synagogue, being indignant because Jesus had healed on the Sabbath, said to the multitude, "There are six days in which men ought to work. Therefore come on those days and be healed, and not on the Sabbath day!"
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Luke 21:6 ταῦτα ἃ θεωρεῖτε ἐλεύσονται ἡμέραι ἐν αἷς οὐκ ἀφεθήσεται λίθος ἐπὶ λίθῳ (ὥδε) ὃς οὐ καταλυθήσεται.
"As for these things which you see, the days will come, in which there will not be left here one stone on another that will not be thrown down."
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Luke 23:29 ὅτι ἰδοὺ ἔρχονται ἡμέραι ἐν αἷς ἐροῦσιν· μακάριαι αἱ στεῖραι καὶ αἱ κοιλίαι αἳ οὐκ ἐγέννησαν καὶ μαστοὶ οἳ οὐκ ἔθρεψαν.
For behold, the days are coming in which they will say, 'Blessed are the barren, the wombs that never bore, and the breasts that never nursed.'
Relative Pronoun: Dative Plural Feminine

Acts 15:36 Μετὰ δέ τινας ἡμέρας εἶπεν πρὸς Βαρναβᾶν Παῦλος· ἐπιστρέψαντες δὴ ἐπισκεψώμεθα τοὺς ἀδελφοὺς κατὰ πόλιν πᾶσαν ἐν αἷς κατηγγείλαμεν τὸν λόγον τοῦ κυρίου πῶς ἔχουσιν.
After some days Paul said to Barnabas, "Let's return now and visit our brothers in every city in which we proclaimed the word of the Lord, to see how they are doing."
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Acts 24:18 ἐν αἷς εὗρόν με ἡγνισμένον ἐν τῷ ἱερῷ οὐ μετὰ ὄχλου οὐδὲ μετὰ θορύβου, τινὲς δὲ ἀπὸ τῆς Ἀσίας Ἰουδαῖοι,
amid which certain Jews from Asia found me purified in the temple, not with a mob, nor with turmoil.
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Ephesians 2:2 ἐν αἷς ποτε περιεπατήσατε κατὰ τὸν αἰῶνα τοῦ κόσμου τούτου, κατὰ τὸν ἄρχοντα τῆς ἐξουσίας τοῦ ἀέρος, τοῦ πνεύματος τοῦ νῦν ἐνεργοῦντος ἐν τοῖς υἱοῖς τῆς ἀπειθείας·
in which you once walked according to the course of this world, according to the prince of the power of the air, the spirit who now works in the children of disobedience;
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2 Thessalonians 1:4 ὥστε αὐτοὺς ἡμᾶς ἐν ὑμῖν ἐγκαυχᾶσθαι ἐν ταῖς ἐκκλησίαις τοῦ θεοῦ ὑπὲρ τῆς ὑπομονῆς ὑμῶν καὶ πίστεως ἐν πᾶσιν τοῖς διωγμοῖς ὑμῶν καὶ ταῖς θλίψεσιν αἷς ἀνέχεσθε.
so that we ourselves boast about you in the assemblies of God for your patience and faith in all your persecutions and in the afflictions which you endure.
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Hebrews 10:32 ἀναμιμνῄσκεσθε δὲ τὰς πρότερον ἡμέρας ἐν αἷς φωτισθέντες πολλὴν ἄθλησιν ὑπεμείνατε παθημάτων,
But remember the former days, in which, after you were enlightened, you endured a great struggle with sufferings;
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2 Peter 3:1 Ταύτην ἤδη, ἀγαπητοί, δευτέραν ὑμῖν γράφω ἐπιστολήν, ἐν αἷς διεγείρω ὑμῶν ἐν ὑπομνήσει τὴν εἰλικρινῆ διάνοιαν
This is now, beloved, the second letter that I have written to you; and in both of them I stir up your sincere mind by reminding you;
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2 Peter 3:16 ὡς καὶ ἐν πάσαις ἐπιστολαῖς λαλῶν ἐν αὐταῖς περὶ τούτων, ἐν αἷς ἐστιν δυσνόητά τινα, ἃ οἱ ἀμαθεῖς καὶ ἀστήρικτοι στρεβλοῦσιν ὡς καὶ τὰς λοιπὰς γραφὰς πρὸς τὴν ἰδίαν αὐτῶν ἀπώλειαν.
as also in all of his letters, speaking in them of these things. In those, there are some things that are hard to understand, which the ignorant and unsettled twist, as they also do to the other Scriptures, to their own destruction.
Relative Pronoun: Dative Plural Feminine