In search of Llyr

The vast upland green desert moors, of the Northern Cambrian mountains giving birth to the Water Nymphs Hafren,  Gwy  and Rheidol.  While, to the south the water nymphs of the Ystwyth, Teifi  and Tywi arose. And so it was that 3 in the North and 3 in the South, All daughters of  Llyr sprung up. …