Complex sentence: He was present during his father's unsuccessful war against queen Tirgatao of the Ixomatae, where his brother Metrodoros died as a hostage and he became king with his brother Gorgippos when his father died during the 1st Siege of Theodosia.
Split into simpler sentences: He was present during his father's unsuccessful war against queen Tirgatao of the Ixomatae, where his brother Metrodoros died as a hostage. He became king with his brother Gorgippos when his father died during the 1st Siege of Theodosia.