If a Pokemon has a ditto as its mother, grandmother, etc., will all their descendants be males?!

Question

I bred an Espeon with a Ditto and they had two kids. Then I bred one of their kids with my only female Eevee. I got three boys, so I bred one of the boys with the girl Eevee. I know that Eevee is 87.5 for male and 12.5 for female, but I have about 17 eevee that are all boys!!! Is this because their great-great-grandmother is a ditto?!

Answer 1

You can get a Female eevee even though there is a 12.5% chance of getting a female. Also you're using a ditto and an eevee so eevee's gender doesn't matter.
Hope this helps.

Answer 2

No, just keep breeding. You'll get a female if you try.
You're not getting only males because one parent is a Ditto.