What is the meaning of Mark 12:19?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

“Teacher, Moses wrote for us that if a man’s brother dies and leaves a wife but no children, the man is to marry his brother’s widow and raise up offspring for him.

Berean Standard Bible (BSB)

“Teacher, Moses wrote to us, ‘If a man’s brother dies, and leaves a wife behind him, and leaves no children, that his brother should take his wife, and raise up offspring for his brother.’

World English Bible (WEB)

Master{G1320}, Moses{G3475} wrote{G1125}{(G5656)} unto us{G2254}, If{G3754}{G1437} a man's{G5100} brother{G80} die{G599}{(G5632)}, and{G2532} leave{G2641}{(G5632)} his wife{G1135} behind him, and{G2532} leave{G863}{(G5632)} no{G3361} children{G5043}, that{G2443} his{G846} brother{G80} should take{G2983}{(G5632)} his{G846} wife{G1135}, and{G2532} raise up{G1817}{(G5661)} seed{G4690} unto his{G846} brother{G80}.

Strong's King James

(19) "Rabbi, Moses wrote us that if a man's brother dies and leaves a wife and no child, the brother should take (marry) the woman and raise up his brother's seed (children).

The F.O.G*

[19] "Teacher," they began, "Moses wrote that if a married man dies childless, his brother should marry the widow and have children to preserve the family line.

The F.O.G Paraphrase

‘Teacher, Moses wrote to us, that if any one’s brother may die, and may leave a wife, and may leave no children, that his brother may take his wife, and raise up seed to his brother.

Young's Literal Translation