Covenant in the Old Testament: Davidic Covenant

In his covenant with David, God promises David that his descendants will be king for ever.

Where in the Bible is this Mentioned?

“Ka akhaonto ya mahala, o ka:

bala diphetolelo tse ding ka dipuo tsohle tse molaong;
Mamela Bibele (diphetolelo tse 11 di se di fumaneha).
Bapisa diphetolelo tse fapaneng;
etsa hore boitsebelo ba hao ebe ba hao ka ho kenyeletsa dinoutso tsa hao le tseo o di hlakisitseng. Hape o tla kgona ho sheba dinoutso le dihlakiso tsa hao di arohane.
Fumana dihlooho le diatikele tsa nalane tse fetang 1100+ ka English le Afrikaans le dimmapa tse 52 tse mebalabala. .

“