*Macsen Wledig (Magnus Maximus) Dux Brittanica
born about 0320? Spain
died 0388 Aquileia, Gaul

father:
*Flavius Julius Crispus
died 0325

mother:
*daughter of Maximus Galerius Daia

siblings:
unknown

spouse:
*Ceindrech verch Rheiden
born about 0340?
(end of information)

or
*Elen "Luyddog" ferch Eudaf
born about 0330 North Britain

children:
*Gratian? verch Macsen Wledig born before 0388
*Annun ap Macsen Wledig (Magnus Maximus) born about 0370?
*Severa verch Macsen Wledig

biographical and/or anecdotal:

notes or source:
ancestry.com
"The Anglo-Saxon Age" by J.V. Davies
Magnus Maximus was the military governor of Britain who rebelled against Rome, invaded Gaul and died there five years later at the hands of Emperor Theodosius.