River Yeo, Barnstaple River Yeo, Barnstaple The River Yeo is a tributary of the River Taw in Devon, England, sometimes known as the Barnstaple Yeo, which enters the Taw at Barnstaple. It is one of several rivers of the same name in Devon, including another tributary of the Taw, the Lapford Yeo. The Barnstaple Yeo rises on Berry Down, south of Combe Martin, and flows south through the grounds of Arlington Court and past the village of Chelfham and into the River Taw at Barnstaple. The river length from source to mouth is . The last mile of the river is tidal and
Feudal barony of Barnstaple in 1087. In about 1107, Juhel, who had already founded Totnes Priory, founded Barnstaple Priory, of the Cluniac order, dedicated to St Mary Magdalene. Juhel's son and heir was Alfred de Totnes, who died "sine prole" some time before 1139, leaving two sisters as his co-heiresses each to a moiety of the barony: Aenor and a sister whose name is unknown. The inheritance of the barony of Barnstaple by two co-heiresses split its possession during the period c. 1139 to 1213 into two moieties, which became re-united under the de Tracy family. The descent of the two co-heiresses was as