King James Version (KJV) - Acts 12:12 >

And when he had considered [the thing], he came to the house of Mary the mother of John, whose surname was Mark; where many were gathered together praying.

Textus Receptus (TR) - Acts 12:12 >

Συνιδών τε ἦλθεν ἐπὶ τὴν οἰκίαν Μαρίας τῆς μητρὸς Ἰωάννου τοῦ ἐπικαλουμένου Μάρκου, οὗ ἦσαν ἱκανοὶ συνηθροισμένοι καὶ προσευχόμενοι.