§ 02 · King James Bible
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.
Simple English
Then, after thinking about it, he went to Mary's house, who was John's mom and Mark's sister. Many people were there, praying together.
* Work in progress - there may be occasional inaccuracies