*Margaret of Mar
born before 1245

father:
*Duncan MacGylocher 4th Earl of Mar
born about 1180 Aberdeenshire, Scotland
died 7 February 1244

mother:
*Orabella of Latherisk
born about 1207
(end of information).

siblings:
*William Earl of Mar born about 1222 Buchan, Aberdeenshire, Scotland
died before 25 July 1281 Buchan, Aberdeenshire, Scotland

spouse:
*Henri de St. Clair (Sinclair) Baron Roslin
born before 1240
died 1270

children:
*William Sinclair (St. Clair) Lord of Roslin
born before 1265
died 1297

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com