Ruadrí of Mar is the first-known mormaer, or earl, of Mar from the 12th century, although the mormaerdom was much older. For instance, there was a mormaer of Mar at the Battle of Clontarf, 1014.

He was a witness to a confirmation of lands to the newly established Abbey of the Holy Trinity at Dunfermline, by David I in 1128.[1]

He is mentioned as Ruadrí mormar Marr in the Gaelic notes on the Book of Deer. This means his floruit dates a little after 1130.[2]

References

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  1. ^ Selected translations of the Registrum de Dunfermelyn
  2. ^ Lindsay, Alexander William C. (25th earl of Crawford.) (1882). The Earldom of Mar in Sunshine and in Shade During Five Hundred Years, in Reply to an Address to the Peers of Scotland by W.H. Earl of Kellie, Volume 1. pg. 166-167.
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Preceded by
?
Mormaer of Mar
fl. 1130s
Succeeded by