Question: Who is Ptolemy Ii Philadelphus's paternal grandmother?
Sentence (from "Ptolemy II Philadelphus"): From 275-271 BC, he led the Ptolemaic Kingdom against the rival Seleucid Empire in the First Syrian War and extended Ptolemaic power into Cilicia and Caria, but lost control of Cyrenaica after the defection of his half- brother Magas.
Relevant evidence: No