What is the meaning of Revelation 19:9?

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

Then the angel told me to write, “Blessed are those who are invited to the marriage supper of the Lamb.” And he said to me, “These are the true words of God.”

Berean Standard Bible (BSB)

He said to me, “Write, ‘Blessed are those who are invited to the marriage supper of the Lamb.’” He said to me, “These are true words of God.”

World English Bible (WEB)

And{G2532} he saith{G3004}{(G5719)} unto me{G3427}, Write{G1125}{(G5657)}, Blessed{G3107} are they which are called{G2564}{(G5772)} unto{G1519} the marriage{G1062} supper{G1173} of the Lamb{G721}. And{G2532} he saith{G3004}{(G5719)} unto me{G3427}, These{G3778} are{G1526}{(G5748)} the true{G228} sayings{G3056} of God{G2316}.

Strong's King James

(9) And he says to me, "Write, blessed the ones invited into the marriage supper of The Lamb." He says to me, "These are firmly-true words of אֱלֹהִים Elohim."

The F.O.G*

[9] Then the messenger told me, "Write this down: Blessed are those invited to the wedding feast of the Lamb!" He added, "These are the true words of God Himself."

The F.O.G Paraphrase

And he saith to me, ‘Write: Happy are they who to the supper of the marriage of the Lamb have been called;’ and he saith to me, ‘These are the true words of God;’

Young's Literal Translation