William De Sinclair
William was born in 1028 in St. Clair, Normandie, France.  He died at the age of 62 in 1090 in Roslin Castle, Midlothian, Scotland.

 Dorothy De Dunbar
Dorothy was born in 1030 in Dunbar, East Lothian, Scotland.

 Henry Sinclair
Henry was born in 1060 in Roslin Castle, Midlothian, Scotland.