'Themselves' in the Bible

All the men of Israel assembled themselves to king Solomon at the feast, in the month Ethanim, which is the seventh month.

Let them therefore give us two bulls; and let them choose one bull for themselves, and cut it in pieces, and lay it on the wood, and put no fire under; and I will dress the other bull, and lay it on the wood, and put no fire under it.

They cried aloud, and cut themselves in their way with knives and lances, until the blood gushed out on them.

They washed the chariot by the pool of Samaria; and the dogs licked up his blood where the prostitutes washed themselves; according to the word of Yahweh which he spoke.