John 1:19 Καὶ αὕτη ἐστὶν ἡ μαρτυρία τοῦ Ἰωάννου, ὅτε ἀπέστειλαν πρὸς αὐτὸν οἱ Ἰουδαῖοι ἐξ Ἱεροσολύμων ἱερεῖς καὶ Λευίτας ἵνα ἐρωτήσωσιν αὐτόν· σὺ τίς εἶ;
This is John's testimony, when the Jews sent priests and Levites from Jerusalem to ask him, "Who are you?"
Noun: Nominative Singular Feminine

John 5:31 ἐὰν ἐγὼ μαρτυρῶ περὶ ἐμαυτοῦ, ἡ μαρτυρία μου οὐκ ἔστιν ἀληθής·
"If I testify about myself, my witness is not valid.
Noun: Nominative Singular Feminine

John 5:32 ἄλλος ἐστὶν ὁ μαρτυρῶν περὶ ἐμοῦ καὶ οἶδα ὅτι ἀληθής ἐστιν ἡ μαρτυρία ἣν μαρτυρεῖ περὶ ἐμοῦ.
It is another who testifies about me. I know that the testimony which he testifies about me is true.
Noun: Nominative Singular Feminine

John 8:13 εἶπον οὖν αὐτῷ οἱ Φαρισαῖοι· σὺ περὶ σεαυτοῦ μαρτυρεῖς· ἡ μαρτυρία σου οὐκ ἔστιν ἀληθής.
The Pharisees therefore said to him, "You testify about yourself. Your testimony is not valid."
Noun: Nominative Singular Feminine

John 8:14 ἀπεκρίθη Ἰησοῦς καὶ εἶπεν αὐτοῖς· κἂν ἐγὼ μαρτυρῶ περὶ ἐμαυτοῦ, ἀληθής ἐστιν ἡ μαρτυρία μου ὅτι οἶδα πόθεν ἦλθον καὶ ποῦ ὑπάγω. ὑμεῖς δὲ οὐκ οἴδατε πόθεν ἔρχομαι ἢ ποῦ ὑπάγω.
Jesus answered them, "Even if I testify about myself, my testimony is true, for I know where I came from, and where I am going; but you don't know where I came from, or where I am going.
Noun: Nominative Singular Feminine

John 8:17 καὶ ἐν τῷ νόμῳ δὲ τῷ ὑμετέρῳ γέγραπται ὅτι δύο ἀνθρώπων ἡ μαρτυρία ἀληθής ἐστιν.
It's also written in your law that the testimony of two people is valid.
Noun: Nominative Singular Feminine

John 19:35 καὶ ὁ ἑωρακὼς μεμαρτύρηκεν, καὶ ἀληθινὴ αὐτοῦ ἐστιν ἡ μαρτυρία, καὶ ἐκεῖνος οἶδεν ὅτι ἀληθῆ λέγει, ἵνα καὶ ὑμεῖς πιστεύητε / πιστεύσητε.
He who has seen has testified, and his testimony is true. He knows that he tells the truth, that you may believe.
Noun: Nominative Singular Feminine

John 21:24 Οὗτός ἐστιν ὁ μαθητὴς ὁ μαρτυρῶν περὶ τούτων καὶ ὁ γράψας ταῦτα, καὶ οἴδαμεν ὅτι ἀληθὴς αὐτοῦ ἡ μαρτυρία ἐστίν.
This is the disciple who testifies about these things, and wrote these things. We know that his witness is true.
Noun: Nominative Singular Feminine

Titus 1:13 ἡ μαρτυρία αὕτη ἐστὶν ἀληθής δι' ἣν αἰτίαν ἔλεγχε αὐτοὺς ἀποτόμως, ἵνα ὑγιαίνωσιν ἐν τῇ πίστει,
This testimony is true. For this cause, reprove them sharply, that they may be sound in the faith,
Noun: Nominative Singular Feminine

1 John 5:9 εἰ τὴν μαρτυρίαν τῶν ἀνθρώπων λαμβάνομεν, ἡ μαρτυρία τοῦ θεοῦ μείζων ἐστίν· ὅτι αὕτη ἐστὶν ἡ μαρτυρία τοῦ θεοῦ ὅτι μεμαρτύρηκεν περὶ τοῦ υἱοῦ αὐτοῦ.
If we receive the witness of men, the witness of God is greater; for this is God's testimony which he has testified concerning his Son.
Noun: Nominative Singular Feminine

1 John 5:9 εἰ τὴν μαρτυρίαν τῶν ἀνθρώπων λαμβάνομεν, ἡ μαρτυρία τοῦ θεοῦ μείζων ἐστίν· ὅτι αὕτη ἐστὶν ἡ μαρτυρία τοῦ θεοῦ ὅτι μεμαρτύρηκεν περὶ τοῦ υἱοῦ αὐτοῦ.
If we receive the witness of men, the witness of God is greater; for this is God's testimony which he has testified concerning his Son.
Noun: Nominative Singular Feminine

1 John 5:11 καὶ αὕτη ἐστὶν ἡ μαρτυρία ὅτι ζωὴν αἰώνιον ἔδωκεν [ἡμῖν] ὁ θεός (ἡμῖν), καὶ αὕτη ἡ ζωὴ ἐν τῷ υἱῷ αὐτοῦ ἐστιν.
The testimony is this, that God gave to us eternal life, and this life is in his Son.
Noun: Nominative Singular Feminine

3 John 1:12 Δημητρίῳ μεμαρτύρηται ὑπὸ πάντων καὶ ὑπὸ αὐτῆς τῆς ἀληθείας· καὶ ἡμεῖς δὲ μαρτυροῦμεν, καὶ οἶδας ὅτι ἡ μαρτυρία ἡμῶν ἀληθής ἐστιν.
Demetrius has the testimony of all, and of the truth itself; yes, we also testify, and you know that our testimony is true.
Noun: Nominative Singular Feminine

Revelation 19:10 καὶ ἔπεσα ἔμπροσθεν τῶν ποδῶν αὐτοῦ προσκυνῆσαι αὐτῷ καὶ λέγει μοι, ὅρα μή· σύνδουλός σού εἰμι καὶ τῶν ἀδελφῶν σου τῶν ἐχόντων τὴν μαρτυρίαν Ἰησοῦ· τῷ θεῷ προσκύνησον. ἡ γὰρ μαρτυρία Ἰησοῦ ἐστιν τὸ πνεῦμα τῆς προφητείας.
I fell down before his feet to worship him. He said to me, "Look! Don't do it! I am a fellow bondservant with you and with your brothers who hold the testimony of Jesus. Worship God, for the testimony of Jesus is the Spirit of Prophecy."
Noun: Nominative Singular Feminine