John de Strathbogie , 9th Earl of Atholl
John de was born about 1265 in Strathbogie, Aberdeenshire, Scotland.  He died on November 7th, 1306 in London, Middlesex, England (beheaded after Battle of Methven).

 Margaret (Marjory or Mary) de Mar
Margaret (Marjory or Mary) de was born about 1270 in Kildrummy Castle, Aberdeenshire, Scotland.  She died before July 24th, 1326 in Dunrobin Castle, Golspie, Sutherland, Scotland.

 David I de Strathbogie , 10th Earl of Atholl
David I de was born about 1290 in Strathbogie, Aberdeenshire, Scotland.  He died on December 28th, 1326 in Chilham Castle, Kent, England.

 Isabelle Strathbogie
Isabelle was born in 1294 in Strathbogie, Aberdeenshire, Scotland.  She died at the age of 23 in June 1317 in Carrick, Argyllshire, Scotland.