both refer to atlanteans/nephilim, "Y" is a representation of their breeding program, also referenced in "two become one" symbolism. "family Y" is post-diluvian atlanteans... they were also known as "Arya"/"Aryans", had red hair and green or blue eyes (blonde blue-eyes are nordic, not "Aryan"), also the same as "nephilim", created and genetically manipulated to manage the planet (in their view)
both refer to atlanteans/nephilim, "Y" is a representation of their breeding program, also referenced in "two become one" symbolism. "family Y" is post-diluvian atlanteans... they were also known as "Arya"/"Aryans", had red hair and green or blue eyes (blonde blue-eyes are nordic, not "Aryan"), also the same as "nephilim", created and genetically manipulated to manage the planet (in their view)