Ruadrí, Earl of Mar
Appearance
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.
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