Mark 12:21 καὶ ὁ δεύτερος ἔλαβεν αὐτήν καὶ ἀπέθανεν μὴ καταλιπὼν σπέρμα· καὶ ὁ τρίτος ὡσαύτως·
The second took her, and died, leaving no children behind him. The third likewise;
Adjective: Nominative Singular Masculine

Luke 20:31 καὶ ὁ τρίτος ἔλαβεν αὐτήν, ὡσαύτως δὲ καὶ οἱ ἑπτὰ οὐ κατέλιπον τέκνα καὶ ἀπέθανον.
The third took her, and likewise the seven all left no children, and died.
Adjective: Nominative Singular Masculine

Revelation 8:10 Καὶ ὁ τρίτος ἄγγελος ἐσάλπισεν καὶ ἔπεσεν ἐκ τοῦ οὐρανοῦ ἀστὴρ μέγας καιόμενος ὡς λαμπάς καὶ ἔπεσεν ἐπὶ τὸ τρίτον τῶν ποταμῶν καὶ ἐπὶ τὰς πηγὰς τῶν ὑδάτων,
The third angel sounded, and a great star fell from the sky, burning like a torch, and it fell on one third of the rivers, and on the springs of the waters.
Adjective: Nominative Singular Masculine

Revelation 14:9 Καὶ ἄλλος ἄγγελος τρίτος ἠκολούθησεν αὐτοῖς λέγων ἐν φωνῇ μεγάλῃ, εἴ τις προσκυνεῖ τὸ θηρίον καὶ τὴν εἰκόνα αὐτοῦ καὶ λαμβάνει χάραγμα ἐπὶ τοῦ μετώπου αὐτοῦ ἢ ἐπὶ τὴν χεῖρα αὐτοῦ,
Another angel, a third, followed them, saying with a great voice, "If anyone worships the beast and his image, and receives a mark on his forehead, or on his hand,
Adjective: Nominative Singular Masculine

Revelation 16:4 Καὶ ὁ τρίτος ἐξέχεεν τὴν φιάλην αὐτοῦ εἰς τοὺς ποταμοὺς καὶ τὰς πηγὰς τῶν ὑδάτων, καὶ ἐγένετο αἷμα
The third poured out his bowl into the rivers and springs of water, and they became blood.
Adjective: Nominative Singular Masculine

Revelation 21:19 οἱ θεμέλιοι τοῦ τείχους τῆς πόλεως παντὶ λίθῳ τιμίῳ κεκοσμημένοι· ὁ θεμέλιος ὁ πρῶτος ἴασπις, ὁ δεύτερος σάπφιρος, ὁ τρίτος χαλκηδών, ὁ τέταρτος σμάραγδος,
The foundations of the city's wall were adorned with all kinds of precious stones. The first foundation was jasper; the second, sapphire; the third, chalcedony; the fourth, emerald;
Adjective: Nominative Singular Masculine