2 Samuel 5:13

"And David took him more concubines and wives out of Jerusalem, after he was come from Hebron: and there were yet sons and daughters born to David."

Cross References (ranked by relevance)

These were all the sons of David, beside the sons of the concubines, and Tamar their sister.

Neither shall he multiply wives to himself, that his heart turn not away: neither shall he greatly multiply to himself silver and gold.

But Abijah waxed mighty, and married fourteen wives, and begat twenty and two sons, and sixteen daughters.