Complex sentence: The Sayyid dynasty were rulers of India's Delhi sultanate (c.1414--51) as successors of the Tughluq dynasty until displaced by the Afghan Lodis; this family claimed to be sayyids, or descendants of Muhammad.
Split into simpler sentences: The Sayyid dynasty were rulers (c.1414--51) of India's Delhi sultanate. This family claimed to be sayyids, or descendants of Muhammad.