- (1) = 1st spouse
- (2) = 2nd spouse
- (3) = 3rd spouse
- (4) = 4th spouse
- Dark green indicates an emperor of the Severan dynasty
Notes: - Except where otherwise noted, the notes below indicate that an individual's parentage is as shown in the above family tree.
- ^ Birley, Anthony R. (1999). Septimius Severus: The African Emperor. London: Routledge. p. i.
- ^ Burrell, Barbara (2004). Neokoroi: Greek Cities and Roman Emperors. p. 216.
- ^ Burrell, Barbara (2004). Neokoroi: Greek Cities and Roman Emperors. p. 247.
- ^ Icks, Martijn (2011). The Crimes of Elagabalus: The Life and Legacy of Rome's Decadent Boy Emperor. London: I.B. Tauris & Co. Ltd. p. 57–58. ISBN 978-1-84885-362-1.
- ^ a b Gibbon, Edward; Smith, William (1889). The Student's Gibbon: The Decline and Fall of the Roman Empire. pp. 45–47.
Bibliography: - Birley, Anthony R. (1999). Septimius Severus: The African Emperor. London: Routledge. ISBN 0415165911.
- Gibbon, Edward; Smith, William (1889). The Student's Gibbon: The Decline and Fall of the Roman Empire. London: Murray. OCLC 993285639.
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