Question: Who is Cleopatra I Syra's father-in-law?
Sentence (from "Ptolemy V Epiphanes"): Ptolemy V Epiphanes ("Ptolemaĩos Epiphanḗs EucharistosPtolemy the Manifest, the Beneficent"; 9 October 210–September 180 BC), son of the siblings Ptolemy IV Philopator and Arsinoe III of Egypt, was the fifth ruler of the Ptolemaic dynasty from July/August 204 to September 180 BC.
Relevant evidence: Yes