 Donald Stuart, 6th Earl of Mar, son of 5th Earl of Mar William and Elizabeth Comyn.Born ± 1243 at Kildrummy, Aberdeen, Scotland, died Jul 25, 1297 at Kildrummy Castle, Aberdeen, Scotland, approximately 54 years Married/ Related to:  Helen verch Llewelyn, daughter of Llewelyn "The Great", Prince of Wales and Eve fitz Warin.Born ± 1234 at Caernarvonshire, Wales, 1st married/ related to: Donald Stuart, 6th Earl of Mar, 2nd married/ related to: Malcolm MacDuff, Earl of Fife Children: 1. Marjory StuartBorn ± 1270 at Mar, Aberdeenshire, Scotland, died Jul 24, 1326, approximately 56 years 2. Gratney Stuart, Earl of MarBorn ± 1272 at Kildrummy Castle, Aberdeenshire, Scotland, died after 1305 4. Duncan StuartBorn ± 1274 5. Alexander StuartBorn ± 1276 6. Isabella Matilda Stuart, Queen of ScotlandBorn ± 1278 at Mar, Aberdeen, Scotland, died 1329 at Scotland, approximately 51 years 7. Mary StuartBorn ± 1280 | |||