Greek

καὶ Ἰάκωβον τὸν τοῦ Ζεβεδαίου Ἰωάννην ἀδελφὸν Ἰακώβου ἐπέθηκεν αὐτοῖς ὀνόματα* Βοανηργές ὅ ἐστιν Υἱοὶ Βροντῆς

Transliterated

kai Iakōbon ton tou Zebedaiou Iōannēn adelphon Iakōbou epethēken autois onomata Boanērges ho estin Huioi Brontēs

Literal English

And James the of the of Zebedee of John brother James He added to them name Boanerges which is Sons of Thunder
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English

17And James the [son] of Zebedee [and] John the brother of James, he placed on them [the] name Boanerges, which is Sons of Thunder.

Definitions