Luke 20:28

28 "Teacher, Moses wrote us that if a man dies and leaves a wife but no child, his brother is obligated to take the widow to wife and get her with child.

Luke 20:28 Meaning and Commentary

Luke 20:28

Saying, master, Moses wrote unto us
In ( Deuteronomy 25:5 ) where the substance of what follows is contained, though not in express words:

if any man's brother die, having a wife, and he die without
children, that his brother should take his wife, and raise up
seed unto his brother;
the meaning of which is, that if a man died without issue, and left a wife behind him, his next brother, if unmarried, was to marry his wife, and the first child born of her, was to be reckoned the deceased's, and to inherit his estate; (See Gill on Matthew 22:24).

Luke 20:28 In-Context

26 Try as they might, they couldn't trap him into saying anything incriminating. His answer caught them off guard and left them speechless.
27 Some Sadducees came up. This is the Jewish party that denies any possibility of resurrection. They asked,
28 "Teacher, Moses wrote us that if a man dies and leaves a wife but no child, his brother is obligated to take the widow to wife and get her with child.
29 Well, there once were seven brothers. The first took a wife. He died childless.
30 The second married her and died,
Published by permission. Originally published by NavPress in English as THE MESSAGE: The Bible in Contemporary Language copyright 2002 by Eugene Peterson. All rights reserved.