early recognition of women's rights. His legacy endured in the form of his laws, which remained in active use throughout Wales until the appointed date of implementation of the Laws in Wales Acts 1535–1542 of Henry VIII of England who asserted his royal descent by blood-line from the House of Aberffraw, via Rhodri Mawr via Hywel Dda. It was this claim to this ancient Brittonic lineage by a British monarch that led to a widespread feeling of the fulfilment of the myth of the Mab Darogan, a messianic figure of Welsh legend destined to reclaim Britain for the Celtic inhabitants. The legacy of this lineage is represented in the main office buildings of the National Assembly for Wales being named "Tŷ Hywel" (the House of Hywel), within which the former debating chamber of the National Assembly for Wales has been converted into a youth debating chamber, the first of its kind in Europe, named "Siambr Hywel" (Hywel's Chamber) after Hywel Dda. The coat of arms of this dynasty is represented on the Royal Badge of Wales which appears on Acts of the National Assembly for Wales passed by the National Assembly for Wales. World War I In World War I a wireless telegraphy (radio) relay station at Llaneilian was used for communication with airships patrolling the Irish Sea for German submarines. Messages were forwarded by telephone to and from the airship base at RNAS Anglesey near Llangefni. Governance An electoral ward in the same name exists. The ward includes some of Rhosybol community, to give a total population at the 2011 census of 2,264. Notable buildings Saint Eilian's Church is Grade I listed. A Celtic clas church, it has a 12th-century tower, 14th-century chapel and a nave and chancel dating from the 15th century. In the chancel is a 15th-century rood screen, and there are traces of post-medieval wall paintings. A painting of a skeleton bears the inscription "Colyn angau yw pechod" (). The Church is named after Saint Eilian (Eilianus). Eilian of Rome also known as Eilian of Anglesey was a 6th-century saint who came from Rome to Britain where he lived as a hermit in the area north of Anglesey. His feast day is 13 January. The churchyard contains the war grave of a Royal Navy sailor of World War I. At Dulas is Saint Gwenllwyfo's Church, a mid-19th-century building designed by Henry Kennedy of Bangor. It is