Matthew 22:25

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:

Cross-references

Mark 12:19-23 records the same Sadducees' question about the seven brothers, providing a synoptic parallel.

Luke 20:29-33 presents the identical scenario of the woman married to seven brothers.

Mark 12:20 Parallel

Mark 12:20 is the parallel verse detailing the first brother's death without offspring.