Celtic wheel cross with Latin inscription inside Llantwit Major church, Vale of Glamorgan (probably the Houelt Cross) St Illtyd's Church, Llantwit Major, is one of the oldest and best-known parish churches in Wales. The name of the town is an English corruption of the Welsh name Llanilltud Fawr "great church of Illtud" and on this site Saint Illtud or 'Illtyd' is believed to have founded a teaching monastery or 'llan' during the 6th century. The Houelt Cross is a massive 1.9 metres high with a carved shaft and a disc head. An inscription reads: IN INOMINE D(E)I PATRIS ET (S) PERETUS SANTDI ANC (C) RUCEM HOUELT PROPE (R)ABIT PRO ANIMA RES P(ATR) ES EUS. In the name of God the father and of the son and of the Holy Spirit. Houelt prepared this cross for the soul of Res his father. 咄ortean / TopFoto