Ptolemais of Egypt

Ptolemais of's father was Ptolemy I Ptolemaios Soter of Egypt and her mother is Eurydice I of Macedonia.  Her paternal grandfather is Lagos of Egypt; her maternal grandfather was Antipater I of Macedonia. She had two brothers and a sister, named Meleager of, Ptolemy Ceraunus of and Lysandra of. She had two half-brothers named Arsinoe II of and Ptolemy II Ptolemaios Philadelphus of.

They had a son named Demetrius II of.