Have you heard of Yandovy or Яндовы?

Yes, I have. Yandovy or Яндовы is a rural locality (a village) in Mstyora Urban Settlement, Vyaznikovsky District, Vladimir Oblast, Russia. The population of this village was one as of 2010.
It is located 16 km northwest of Vyazniki (the district's administrative centre) by road. Kostenevo is the nearest rural locality.