From Alldaei the pedigree runs back thus:--

Alldaei
son of
Tath,
son of
Tabarn,
son of
Enna,
son of
Baath,
son of
Ebat,
son of
Betah,
son of
Iarbanel,
son of
NEMEDH (circa 1700 B.C.)

Nemedh, as I have said, forms one of the great epochs in the
mythological record. As will be seen, he and the earlier Partholan
have a common source:--

NEMEDH
son of
Sera,
son of
Pamp,
son of