Ptolemaïs married Demetrios I Poliorcetes, King of Macedonia (306-286BC), son of Antigonos I Monophthalmos, King of Macedonia (306-301BC) and Princess Stratonice of Thrace. (Demetrios I Poliorcetes, King of Macedonia (306-286BC) was born in 336 B.C. and died about 286 b.c..)