He is chief of the name and arms of Erskine. The Clan Mar now has a separate chief; Margaret of Mar, 31st Countess of Mar who descends from the Earls of Mar, first creation (1404) (as deemed by Act of Parliament in 1885). _She_ is chief of the name and arms of Mar. <sep>, Pronoun: She <sep>, A: Margaret of Mar <sep>, B: Countess of Mar