Well Congrats on the bubs!!!
Now as for bastard child tell her get with the program there is no law saying u have too b married to hav a child n that use are trying to buy a house so that UR child HER grandchild will have something in the future
N if she disowns u then that's her loss hunni cause she will lose her grandchild n not being rude but stuff her n her thoughts this is ur n ur dp decision not hers
N as for u not being Greek tell her u will treat her son better than any Greek girl cause it's not ur nationality that is gonna love him n support him it's u as a person!!
Jus look after urself n stay positive cause it's ur life nor sum1 elses too live