Sons or grandsons:
Sons according to Adomnán and AT/AU (as indicated above), grandsons according to Senchus Fer nAlban.
Artúr, d. ca. 590?
As one of a handful of historical individuals named Arthur during the early medieval period, there have been inevitable attempts to connect him to the Arthur of legend. There does not appear to be any good basis behind such attempts.
Domangart, d. ca. 594.