Verses with the word theirs in the Old Testament (5 verses):

Exodus 29:9
And thou shalt gird them with girdles, Aaron and his sons, and put the bonnets on them: and the priest's office shall be theirs for a perpetual statute: and thou shalt consecrate Aaron and his sons.

Leviticus 18:10
The nakedness of thy son's daughter, or of thy daughter's daughter, even their nakedness thou shalt not uncover: for theirs is thine own nakedness.

Joshua 21:10
Which the children of Aaron, being of the families of the Kohathites, who were of the children of Levi, had: for theirs was the first lot.

1 Chronicles 6:54
Now these are their dwelling places throughout their castles in their coasts, of the sons of Aaron, of the families of the Kohathites: for theirs was the lot.

Ezekiel 44:29
They shall eat the meat offering, and the sin offering, and the trespass offering: and every dedicated thing in Israel shall be theirs.