1) Welsh girl name 
Derwen is a rural village in the south of Denbighshire, Wales. It lies approximately half way between Corwen and Ruthin, in the upper part of Dyffryn Clwyd ond the north side of the River Clwyd, opposite the village of Brynsaithmarchog. An old Celtic Cross stands in the village, near the church, dating from the early middle ages. == Notable reside...