Complex sentence: The last mansa to rule from Niani is Mansa Mahmud III also known as Mansa Mamadou II. He came to power around 1496 and has the dubious honor of being the mansa under which Mali suffered the most losses to its territory.
Split into simpler sentences: The last mansa to rule from Niani, Mansa Mahmud III, also known as Mansa Mamadou II came to power around 1496. He has the dubious honor of being the mansa under which Mali suffered the most losses to its territory.