וַיֹּ֣אמְר֔וּ יְרֻשַּׁ֥ת פְּלֵיטָ֖ה לְבִנְיָמִ֑ן וְלֹֽא־יִמָּחֶ֥ה שֵׁ֖בֶט מִיִּשְׂרָאֵֽל׃
Lalu mereka berkata: “Milik pusaka harus tetap ada bagi orang-orang Benyamin yang terluput, supaya jangan ada satu suku yang terhapus dari Israel.”
Rashi
The survivors must inherit the ancestral property The tribe's ancestral property remains unclaimed; let us devise a plan whereby they may father children, so that the property will fall into the possession of the remaining survivors, and a tribe will not be obliterated from Yisroel.