Ptolemy or optical factors and those caused by judgmental factors. He offered an obscure explanation of the sun or moon illusion (the enlarged apparent size on the horizon) based on the difficulty of looking upwards. There are several characters or items named after Ptolemy, including: [[File:Ptolemaeus - Quadripartitum, 1622 - 4658973.tif|thumb|"Quadripartitum", 1622]] [[Category:Ptolemy| ]] [[Category:100 births]] [[Category:170 deaths]] [[Category:1st-century Romans]] [[Category:2nd-century Romans]] [[Category:2nd-century philosophers]] [[Category:2nd-century poets]] [[Category:Egyptian calendar]] [[Category:Ancient Greek astrologers]] [[Category:Ancient Greek astronomers]] [[Category:Ancient Greek mathematicians]] [[Category:Ancient Greek music theorists]] [[Category:Astrological writers]] [[Category:Claudii]] [[Category:Egyptian astronomers]] [[Category:Egyptian mathematicians]] [[Category:Epigrammatists of the Greek Anthology]] [[Category:2nd-century people of Roman Egypt]] [[Category:Ancient Greek geographers]]
Ptolemy XII Auletes not clear who the mother of Ptolemy's three youngest children is. Porphyry mentions a daughter of Ptolemy XII named Cleopatra Tryphaena who ruled with her sister Berenice. Strabo, however, states that the king had only three daughters of whom the eldest has been referred to as Berenice IV, suggesting that the Cleopatra Tryphaena referred to by Porphyry may have been Ptolemy's wife, not his daughter. Many experts now identify Cleopatra VI with Cleopatra V. In 80 BC, pharaoh Ptolemy XI was removed by the Egyptian population from the throne of Egypt after he had killed his coregent and stepmother Berenice