Simplified family tree of Tetrarchs

(See also: Chronological scheme of the Tetrarchy, 286–324)

DIOCLETIAN
Iovius
Western Emperor
286–305		PriscaAfranius Hannibalianus
(disputed)[M 1]
consul 292		EutropiaMaximian
Herculius
Western Emperor
286–305
Unknown
sister		Galerius
Eastern Emperor
305-311		Galeria ValeriaHelenaConstantius I
Western Emperor
305–306
Constantinian Dynasty		Flavia Maximiana TheodoraSeverus II
Western Emperor
306–307
Maximinus II
Eastern Emperor
310–313		Valeria MaximillaMaxentius
Western Emperor
306–312		FaustaConstantine I
Roman Emperor
306–337		Julius Constantius
consul 335		Flavia Julia ConstantiaLicinius I
Eastern Emperor
308–324		Martinian
Western Emperor
324		Valens I
Western Emperor
316–317
Valerius RomulusConstantine II
Emperor
337–340		Constantius II
Emperor
337–361		Constans I
Emperor
337–350		Julian II
Emperor
361–363		Licinius II
caesar

Notes:

  1. ^ Timothy Barnes (New Empire, 33–34) questions the parentage of Theodora shown here. He proposes that Maximian is her natural father (and that her mother is possibly a daughter of Afranius Hannibalianus). Substituting Afranicus Hannibalianus and switching the positions of Maximian and Eutropia would produce a diagram that matches the alternative lineage.

Bibliography:

  • Barnes, Timothy D. The New Empire of Diocletian and Constantine. Cambridge, MA: Harvard University Press, 1982. ISBN 0-7837-2221-4


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