Lord Arceuus I was the Grand Lord of Great Kourend for the duration of the 5th decade.
- ↑ Royal accord of twill, Old School RuneScape. "of this day one member from the royal lords of our kingdom whom are part of the great houses of Hosidius, Lovakengj, Shayzien, Piscarilius and Arceuus shall be chosen to be the Grand Lord of Kourend for a period of no more than 10 years"
- ↑ Timeline, "Library Historical Archive", Old School RuneScape. "Lord Arceuus I: 5th"
- ↑ Imerominia, Old School RuneScape. "...the date convention in Great Kourend is to state the number of days and decades since the signing of the Royal Accord of Twill."