Complex sentence: While the children have all had their grandchildren and spread throughout Tonga, two prominent sons were recorded by history for their quests for prominence garner further recognition: the oldest son, Henele Ma'afu' o Tu'i Tonga, and his brother Niumeitolu.
Split into simpler sentences: While the children have all had their grandchlidren and spread out in Tonga, two prominent sons which history recorded their quest for prominence garner further recognition. The oldest son, Henele Ma'afu' o Tu'i Tonga and his brother Niumeitolu.