Reference for Genesis 11:21

וַיְחִ֣י רְע֗וּ אַחֲרֵי֙ הוֹלִיד֣וֹ אֶת־שְׂר֔וּג שֶׁ֥בַע שָׁנִ֖ים וּמָאתַ֣יִם שָׁנָ֑ה וַיּ֥וֹלֶד בָּנִ֖ים וּבָנֽוֹת׃ (ס)

And Reu lived after he begot Serug two hundred and seven years, and begot sons and daughters.

Jastrow

BDB

BDB

BDB