Now there were with us seven brethren: and the first, when he had married a wife, deceased, and, having no issue, left his wife unto his brother: Seven brethren - It is very likely that the Sadducees increased the number, merely to make the question the more difficult.
Related Commentaries of Matthew 22:25
Matthew 22:25
25 Now there were with us seven brethren: and the first, when he had married a wife, deceased, and, having no issue, left his wife unto his brother: