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Sir William De Keith Knt

William De was born about 1315 in Dunottar, Kincardineshire, Scotland. William De's father was Edward De Keith and his mother was Isabella De Synton Seaton. His paternal grandparents were Sir William Keith Knt and Barbara Seaton; his maternal grandparents are Alexander De Synton Seaton and unk. He had two brothers and two sisters, named Edward, John, Katherine and Janet Joneta. He was the oldest of the five children. He died about 1410.

Social & Emotional Relationships
- William De and Sir William 2nd Lord Marischal de Keith estates in Buchan, Kincardine and Lothian Keith Knt were fused, i.e.inseparable.
  
  William De had an unspecified social relationship with Sir William 2nd Lord Marischal de Keith estates in Buchan, Kincardine and Lothian Keith Knt.

Ancestor Pedigree Chart
- Philip De Keith (Marischal)^*
  - b.1161 in Humbie, East Lothian, Scotland d.1225
  
  Hervey De Keth Keith (Marischal)
  - b.1187 d.<  1250
  
  Eda Lorens
  - b.1166 in Humbie, East Lothian, Scotland
  
  John De Keith (Marischal)
  - b.1212 in Humbie, East Lothian, Scotland d.<  1279
  
  Sir William Keith Knt
  - b.~  1236 in Humbie, East Lothian, Scotland d.<  1293
  
  Margaret COMYN (CUMYN; CUMMIN) Cummings
  - b.1217 in Buchan, Aberdeenshire, Scotland
  
  Edward De Keith
  - b.~  1280 in Dunottar, Kincardineshire, Scotland d.17 Oct 1346 in Battle of Neville's Cross, , England
  
  Bertram Bertrand De Setoun Seaton
  
  Baron Adam De Setoune Seaton Seaton
  - b.~  1190
  
  Barbara Seaton
  - b.~  1216 in Seton, East Lothian, Scotland
  
  Lord Hugo Hugh De Jiffard of Yestor Giffard
  
  Janet and or Margaret Giffard
  - b.1192 in Seton, East Lothian, Scotland
  
  Sir William De Keith Knt
  - b.~  1315 in Dunottar, Kincardineshire, Scotland d.~  1410
  
  Alexander De Synton Seaton
  
  Isabella De Synton Seaton
  - b.~  1285 in Sinton, Selkirkshire, Scotland
  
  unk
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)

Details of William De's family with Margaret Fraser Frazier