Spoiler Alert. I guess we now know how he met their mother.
They have said she was a student of his so this (may not) exactly follow along.
We already knew that he met her at the wedding, but it seems like he doesn't talk to her until he is on the platform waiting for the train not at the wedding 'proper.'
Darth Vader is becoming the Mickey Mouse of Star Wars.
"In Brooklyn, a castle, is where dwell I"
The use of a lightsaber does not make one a Jedi, it is the ability to not use it.