NET

12 When Peter realized this, he went to the house of Mary, the mother of John Mark, where many people had gathered together and were praying.

Darby

12 And having become clearly conscious [in himself], he came to the house of Mary, the mother of John who was surnamed Mark, where were many gathered together and praying.

KJV

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.

Strong's

12 And ^G5037 when he had considered^G4894 the thing], thing, he came^G2064 to^G1909 the house^G3614 of Mary^G3137 the mother^G3384 of John^G2491, whose surname was^G1941 Mark^G3138; where^G3757 many^G2425 were^G2258 gathered together^G4867 praying^{G2532 G4336}.