Sephiroth 01. Kether

Kether is the crown of the Sephiroth.

Now the first Sephirah, which is called the Crown, the Aged, 2 the Primordial or the Smooth Point, 3 the White Head, the Long Face, Macroprosopon,
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the Inscrutable Height, 4 contained the other nine Sephiroth and gave rise to them in the following order.

In terms of the tree of the Sephirot with 3 branches, Keter corresponds to the son (Ben). cf. Father (Abba) and Mother (Aima).

The first Sefirah, Keter, was transformed into the potentially existing three heads of the Macroprosopon ("Erek Anfin").