Complex sentence: A revolt in 1465 overthrew the last Maranid sultan and in 1474 the Marinids were replaced by their relatives of the Wattasid dynasty, who faithfully (but for a large part unsuccessfully) continued Marinid policies.
Split into simpler sentences: A revolt in 1465 overthrew the last Maranid sultan. In 1474 the Marinids were replaced by their relatives of the Wattasid dynasty, who faithfully (but for a large part unsuccessfully) continued Marinid policies.