Plotbunny/story idea: My gypsy boy (BtVS)

An other idea for BtVS AU. Feel free to adopt!

Victorian-Era:
Teenager William is at the countryside where he mets Alexei. He is a gypsy boy who camps here with his people for summer. Despite all differences and difficulties they fall in love.
One scene:
Alexei’s granny reads Williams hand but wont tell anything except he will get really old.

(Question: Are Jenny Calendars people the same as Alexei's were?)