Had a son Eudaf Hen (the Old), King of Ewyas & High-King of Britain, who had a daughter St. Elen Lwyddog (of the Host), who married Magnus Maximus, Emperor of the Western Roman Empire (d.388).
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?The pedigree below is gleaned from several sources, but is of little historical value?:
? Llyr Lleddiarth (Half-Speech), Abt 55 bc - m. Iweriadd ferch Beli Mawr (the Great), 60 bc -
? Bran Fendigaid (the Blessed), Abt 20 bc. Had 12 children [or 12 sons?]
? Caradog ap Bran, Abt 20 -
? Coellyn ap Caradog, Abt 60 -
? Owain ap Beli, Abt 100 -
? Meirchion ap Owain, Abt 140 -
? Cwrrig Fawr (the Great), Abt 180 -
? Gwrddwfn ap Cwrrig, Abt 215 -
? Einudd ap Gwrddwfn, Abt 250 -
(http://www.earlybritishkingdoms.com/gene/conanc.html)

1. Gereint ap Einudd