Acts 3:25 ὑμεῖς ἐστε οἱ υἱοὶ τῶν προφητῶν καὶ τῆς διαθήκης ἧς [διέθετο] ὁ θεὸς (διέθετο) πρὸς τοὺς πατέρας ὑμῶν λέγων πρὸς Ἀβραάμ· καὶ ἐν τῷ σπέρματί σου εὐλογηθήσονται / ἐνευλογηθήσονται πᾶσαι αἱ πατριαὶ τῆς γῆς.
You are the children of the prophets, and of the covenant which God made with our fathers, saying to Abraham, 'In your seed will all the families of the earth be blessed.'
Noun: Dative Singular Neuter

Acts 7:5 καὶ οὐκ ἔδωκεν αὐτῷ κληρονομίαν ἐν αὐτῇ οὐδὲ βῆμα ποδός καὶ ἐπηγγείλατο δοῦναι αὐτῷ εἰς κατάσχεσιν αὐτὴν καὶ τῷ σπέρματι αὐτοῦ μετ' αὐτόν, οὐκ ὄντος αὐτῷ τέκνου.
He gave him no inheritance in it, no, not so much as to set his foot on. He promised that he would give it to him for a possession, and to his seed after him, when he still had no child.
Noun: Dative Singular Neuter

Romans 4:13 Οὐ γὰρ διὰ νόμου ἡ ἐπαγγελία τῷ Ἀβραὰμ ἢ τῷ σπέρματι αὐτοῦ, τὸ κληρονόμον αὐτὸν εἶναι κόσμου, ἀλλὰ διὰ δικαιοσύνης πίστεως.
For the promise to Abraham and to his seed that he should be heir of the world wasn't through the law, but through the righteousness of faith.
Noun: Dative Singular Neuter

Romans 4:16 διὰ τοῦτο ἐκ πίστεως ἵνα κατὰ χάριν, εἰς τὸ εἶναι βεβαίαν τὴν ἐπαγγελίαν παντὶ τῷ σπέρματι, οὐ τῷ ἐκ τοῦ νόμου μόνον ἀλλὰ καὶ τῷ ἐκ πίστεως Ἀβραάμ, ὅς ἐστιν πατὴρ πάντων ἡμῶν,
For this cause it is of faith, that it may be according to grace, to the end that the promise may be sure to all the seed, not to that only which is of the law, but to that also which is of the faith of Abraham, who is the father of us all.
Noun: Dative Singular Neuter

Galatians 3:16 τῷ δὲ Ἀβραὰμ ἐρρέθησαν αἱ ἐπαγγελίαι καὶ τῷ σπέρματι αὐτοῦ. οὐ λέγει· καὶ τοῖς σπέρμασιν, ὡς ἐπὶ πολλῶν ἀλλ' ὡς ἐφ' ἑνός· καὶ τῷ σπέρματί σου, ὅς ἐστιν Χριστός.
Now the promises were spoken to Abraham and to his seed. He doesn't say, "To seeds," as of many, but as of one, "To your seed," which is Christ.
Noun: Dative Singular Neuter

Galatians 3:16 τῷ δὲ Ἀβραὰμ ἐρρέθησαν αἱ ἐπαγγελίαι καὶ τῷ σπέρματι αὐτοῦ. οὐ λέγει· καὶ τοῖς σπέρμασιν, ὡς ἐπὶ πολλῶν ἀλλ' ὡς ἐφ' ἑνός· καὶ τῷ σπέρματί σου, ὅς ἐστιν Χριστός.
Now the promises were spoken to Abraham and to his seed. He doesn't say, "To seeds," as of many, but as of one, "To your seed," which is Christ.
Noun: Dative Singular Neuter