| | ConstansI Emporer of Rome 317–361 | | |
| | Flavius ConstantiniusIII Emporer of Rome …–421 | | |
| | ConstantinusII Emporer of Rome …–… | | |
| | Constantine Emporer of Rome 288–337 | | |
| | Flavia Julia Helena 248–328 ConstantiusI Emporer of Rome 250–306 | | |
| | | | | | | | | | Llewfer Mawr King of Siluria …–181 | | | | | | | | Cyllin King of Siluria …–… | | |
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| | | | | | | Meurig King of Britain …–125 Victoria ferch Prasutagus of Iceni …–… | | |
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