The second ruler of this name married his sister, Arsinoe II, and fought the First Succession War while subsidizing Pyrrhus against Antigonus, while the fifth one, called "god manifest," fought the Fifth Syrian War against Antiochus III.
One man of this royal name was nicknamed "the chick-pea" while another was known as "the fat-bellied" or "benefactor," and divided his kingdom at his death by leaving Cyrene to his son Apion. The minister Sosibius dominated the reign of the fourth ruler of this name, known as "Philopator," while the most famous ruler of this name was the founder of the Lagid dynasty. The second ruler of this name married his sister, Arsinoe II, and fought the First Succession War while subsidizing Pyrrhus against Antigonus, while the fifth one, called "god manifest," fought the Fifth Syrian War against Antiochus III. The first was famously nicknamed "Soter" or "Savior", while the fifteenth one was the son of Caesar and Cleopatra, who had murdered her brother, the thirteenth ruler of this name, before allying with Mark Antony.  FTP, identify the name shared by these rulers, the first of whom was a member of the Diadochi and founded an Empire in Egypt following the death of Alexander the Great.
One man of this royal name was nicknamed "the chick-pea" while another was known as "the fat-bellied" or "benefactor," and divided his kingdom at his death by leaving Cyrene to his son Apion.
{Ptolemy}