Alexander I of Epirus (; c. 370 BC – 331 BC), also known as Alexander Molossus (), was a king of Epirus (343/2–331 BC) of the Aeacid dynasty.Ellis, J. R., Philip II and Macedonian Imperialism, Thames and Hudson, 1976, pp. 90–1, 156–7Hammond, N. G. L., Philip of Macedon, Baltimore: The Johns Hopkins University Press, 1994, p. 51 As the son of Neoptolemus I and brother of Olympias, Alexander I was an uncle, and a brother-in-law, of Alexander the Great. He was also an uncle to Pyrrhus of Epirus.
Alexander I of Epirus (; c. 370 BC – 331 BC), also known as Alexander Molossus (), was a king of Epirus (343/2–331 BC) of the Aeacid dynasty.Ellis, J. R., Philip II and Macedonian Imperialism, Thames and Hudson, 1976, pp. 90–1, 156–7Hammond, N. G. L., Philip of Macedon, Baltimore: The Johns Hopkins University Press, 1994, p. 51 As the son of Neoptolemus I and brother of Olympias, Alexander I was an uncle, and a brother-in-law, of Alexander the Great. He was also an uncle to Pyrrhus of Epirus.