Shamdan

Shamdan - The angel-demon who mated with Naamah, "lovely sister of Tubal-cain, who led the angels astray with her beauty."  The fruit of the union of Shamdan adn Naamah was Asmodeus (q.v.).  [Rf. The Legends of the Jews I, 150-151.]  According to Bereshith Rabba, 36:3, Shamdan was Noah's partner in planting a vineyard, which led to Noah's drinking, and being "uncovered within his tent," an incident related in Genesis 9:20-22.  (a)

Resource List - all entries are taken verbatim from the original source:

(a) "The Dictionary of Angels" by Gustav Davidson, © 1967