In their possession, Heb. at their feet, i.e. under their power, Psalms 8:6, which followed them, or belonged to them.
Related Commentaries of Deuteronomy 11:6
Deuteronomy 11:6
6 And what he did unto Dathan and Abiram, the sons of Eliab, the son of Reuben: how the earth opened her mouth, and swallowed them up, and their households, and their tents, and all the substancea that was in their possession, in the midst of all Israel: