Lysimachos was a bodyguard of Alexander the Great and proclaimed himself king after the death of Alexander IV.
He married Amastris in 302 BCE, though they later separated and did not have children.
After that, he married Arsinoe II, the daughter of Ptolemy I.
Agathokles was Lysimachos‘ first son with his first wife, Nikaia, daughter of Antipater. He had two cities renamed for him.
Agathokles was executed when Arsinoe II convinced Lysimachos he was plotting against him.
Eurydike was Lysimachos‘ daughter and sister to Agathokles. She two was executed shortly after Lysimachos executed her husband, Antipater I.