Ptolomay bụ nwa nwoke nke Ptolemy nke Mbụ Soter, Fero nke Ijipt, na nwunye ya nke mbụ Eurydice, nwa nwanyị nke onye na-achị achị Antipater. Mgbe a kpọchara nwa nwanne nwoke nke Keraunos, nke a na-akpọkwa Ptolemy, ka ọ bụrụ onye nketa, na, na 282 BC, rịgoro n'ocheeze dị ka Ptolemy nke Abụọ, ọ ga-ahapụ Ijipt, ịbụ onye nwere ike ịsọ mpi maka ocheeze ahụ. Ọ bịarutere n'ụlọ ikpe Lysimachus, eze Thrace na Masedonia, na akụkụ nke Asia Minor, ebe nwanne ya nwanyị bụ Arsinoe bụ eze nwanyị. Ajụjụ: Gịnị bụ aha nwunye Ptolemy?
Eurydice