Complex sentence: Within a few years, however, Jamal was assassinated by either his friends or cousins around 1432 or 1433, and was succeeded by his brother Badlay ibn Sa'ad ad-Din.
Split into simpler sentences: Within a few years, however, Jamal was assassinated by either his friends or cousins around 1432 or 1433. He was succeeded by his brother Badlay ibn Sa'ad ad-Din.