Charles Ellicott Commentary Deuteronomy 1:39

"Moreover your little ones, that ye said should be a prey, and your children, that this day have no knowledge of good or evil, they shall go in thither, and unto them will I give it, and they shall possess it." — Deuteronomy 1:39 (ASV)

Moreover your little ones. —This continues the sentence of Jehovah from Deuteronomy 1:36.

Which you said should be a prey.—In Numbers 14:3, “that our wives and children should be a prey.” (See also Deuteronomy 1:31.)