David of Strathbogie
David of was born in 1240 in Strathbogie, Aberdeenshire, Scotland.  He died at the age of 30 on August 6th, 1270 in Carthage, Tunis, Morroco.

 Isabella De Chilham
Isabella was born after 1247 in Chilham, Kent, England.

 Annabella Strathbogie
Annabella was born about 1276 in Aberdeenshire, Scotland.