What member of the Ptolemaic line last ruled Egypt ?
The Ptolemaic dynasty , ( , sometimes also known as the Lagids or Lagides , , from the name of Ptolemy I 's father , Lagus ) were the Macedonian Greek descendants of Ptolemy I Soter , one of the six somatophylakes ( bodyguards ) who served as Alexander the Great 's generals and deputies and was appointed satrap of Egypt after Alexander 's death in 323 BC.