Both went on to adopt several children from orphanages around the world, they were very inspired by Madonna's example, of course Cain cited Angelina Jolie too in his autobiography, but spent most of the chapter discussing Brad Pitt breaking up with Rachel from 'Friends', and how Abel was just never bothered watching TV with him in the evenings, which inevitably led to the scene depicted in the painting above.

In the first chapter of Genesis, there is a full creation story about gods (the plural was used in "the original" text) creating the world; mankind, males & females, (Gen 1:27).

Its in chptr 2 that God creates Eden & Adam & Eve.

So, when Cain is cast out & goes to the land of Nod, he takes a wife from these other tribes. Other of Adam & Eve's offspring could have chose from these "other tribes".

And what happened to Lilith? Did she just fall off the face of the earth because she wasn’t subservient enough?

this sounds like a trick question...... I'm going to say evolution.