Mosiah 7:1

And now, it came to pass that after king Mosiah had had continual peace, for the space of three years, he was desirous to know concerning the people which went up to dwell in the land of Lehi-Nephi, or in the city of Lehi-Nephi: for his people had heard nothing from them, from the time they left the land of Zarahemla; therefore, they wearied him with their teasings.

After King Mosiah had peace for three years, he wanted to know about the people who went to live in the land of Lehi-Nephi. His people had not heard anything from them since they left Zarahemla. So they kept asking him about it.

After King Mosiah had enjoyed three years of peace, he grew concerned about the group who had left to settle in the land of Lehi-Nephi. No one in Zarahemla had heard from them since they left, and the people kept pressing the king about it.