Following are a number of back-translations as well as a sample translation for translators of 1 Kings 14:21:

• Kupsabiny: “All that time Rehoboam the son of Solomon ruled Judah. Rehoboam started ruling when he had forty-one years and he ruled for seventeen years. He ruled from the city of Jerusalem which God had chosen among all the cities of Israel to be where he was to be worshipped from. The mother of Rehoboam was called Naamah and was a daughter from the community of Ammonites.” (Source: Kupsabiny Back Translation)
• Newari: “Solomon’s son Rehoboam reigned in Judah. He became King when he was 41 years old. He reigned 17 years in Jerusalem, the city that the LORD had chosen to put His name from among all the tribes of Israel. His mother’s name was Naamah. She was an Ammonite.” (Source: Newari Back Translation)
• Hiligaynon: “Rehoboam the child of Solomon was the king of Juda. He was 41 years of-age when he became king. And he reigned for a period/[lit. inside] of 17 years in Jerusalem, the city that the LORD had-chosen from all the tribes of Israel, where he should-be-honored. The mother of Rehoboam was Naama the Ammonite.” (Source: Hiligaynon Back Translation)
• English: “Solomon’s son Rehoboam ruled Judah. He was 41 years old when he started to rule, and he ruled for 17 years. He ruled in Jerusalem, which is the city that Yahweh chose out of all the tribes of Israel to be the place where he should be worshiped. Rehoboam’s mother’s name was Naamah; she was from the Ammon people-group.” (Source: Translation for Translators)