I am doing my family tree. My grandmother was an Arthur and lived in Bryn Eirian Manod and always lived in Blaenau. Her son, my dad, lived in Bristol. Her husband, my grandfather was from Trawsfynydd. I can trace that family back in Trawsfynydd to 1800s. John Roberts Arthur was a "general merchant" in Blaenau but everyone says he made is money in the slate mines.