 
				Keith, William De
| Birth Name | Keith, William De 1 | 
| Gender | male | 
| Age at Death | 35 years, 10 months, 1 day | 
| Birth date | 1236 (Humbie, East Lothian, Scotland) | 
| Death date | 2 November 1271 (Humbie, East Lothian, Scotland) | 
Events
| Event | Date | Place | Description | Sources | 
|---|---|---|---|---|
| Birth | 1236 | Humbie, East Lothian, Scotland | 1 | |
|  | ||||
| Death | 2 November 1271 | Humbie, East Lothian, Scotland | 1 | |
|  | ||||
Parents
| Relation to main person | Name | Birth date | Death date | Relation within this family (if not by birth) | 
|---|---|---|---|---|
| Father | Keith, John de Marischal | 1212 | 1270 | |
| Mother | Comyn, Margaret De | 1218 | 1274 | |
| Keith, William De | 1236 | 2 November 1271 | ||
| Brother | Keith, Robert | 1245 | 17 October 1346 | 
Families
| Family of Keith, William De and Seton, Barbara De | ||||||||||||||||||||
| Married | Wife | Seton, Barbara De ( * 1236 + 1285 ) | ||||||||||||||||||
| 
 | ||||||||||||||||||||
| Children | ||||||||||||||||||||
| Name | Birth Date | Death Date | 
|---|---|---|
| Keith, Robert | 1262 | 17 October 1346 | 
| Keith, Richard | 1264 | |
| Keith, Philip | 1268 | |
| Keith, William De | 1280 | 17 October 1346 | 
| Keith, Edward | 1346 | 
 
								 
										 
										 
										