en_tn/luk/20/27.md

the ones who say that there is no resurrection

This phrase identifies the Sadducees as being the group of Jews that say that no one would rise from the dead. It does not imply that some Sadducees believed that there is a resurrection and some did not.

if a man's brother dies, haven a wife, and being childless

"if a man's brother dies when he has a wife but does not have children"

and being childless

"but not having children"

the man should take the brother's wife

"the man should marry his dead brother's widow"