A.T. Robertson Commentary Acts 16:32

"And they spake the word of the Lord unto him, with all that were in his house." — Acts 16:32 (ASV)

They spake the word of God (ελαλησαν τον λογον του θεου). So Paul and Silas gave fuller exposition of the way of life to the jailor "with all that were in his house." It was a remarkable service with keenest attention and interest, the jailor with his warden, slaves, and family.