'Theirs' in the Bible

Happy the poor in spirit -- because theirs is the reign of the heavens.

Happy those persecuted for righteousness' sake -- because theirs is the reign of the heavens.

to the assembly of God that is in Corinth, to those sanctified in Christ Jesus, called saints, with all those calling upon the name of our Lord Jesus Christ in every place -- both theirs and ours:

but they shall not advance any further, for their folly shall be manifest to all, as theirs also did become.

'Happy are those doing His commands that the authority shall be theirs unto the tree of the life, and by the gates they may enter into the city;