Male Lysimachus ben Ptolemy

Lysimachus ben's father is Ptolemy Philadelphus Ptolemy and his mother is Arsinoe bint Lysimachus.  His paternal grandfather is Ptolemy Soter Lagus; his maternal grandmother is Nicaea bint Antipater.  He is the second of three children.  He has a brother and a sister, named Ptolemy Euergetes and Berenice Syra.