James Douglas [25611] -----------
3rd earl of Morton
d.1550
 
Katherine Stewart [7181] --------
wife of James Douglas,
 3rd earl of Morton
 
 
 
 
 
 
 
 
 
 

|-- Lady Margaret Douglas
|   [25608]
|   of Morton
|   m.1532
|   wife of James Hamilton,
|    duke of Chatelherault,
|    3rd lord Hamilton
|   
|-- Lady Beatrix Douglas [25609]
|   of Morton
|   
|-- Lady Elizabeth Douglas
|   [25610]
|   m.1543
    wife of James Douglas,
     4th earl of Morton,
     regent of Scotland

John Douglas [25614] ------------
2nd earl of Morton
d.1550
 
Janet Crichton [25619] ----------
wife of John Douglas,
 2nd earl of Morton
 

|-- James Douglas [25611]
|   3rd earl of Morton
|   d.1550
|   
|-- Lady Beatrice Douglas
|   [25612]
|   
|-- Lady Agnes Douglas [25613]

James Douglas [25615] -----------
1st earl of Morton
d.1492
 
Joan Stewart [7142] -------------
wife of James Douglas,
 1st earl of Morton

|-- John Douglas [25614]
|   2nd earl of Morton
|   d.1550
|   
|   
    
    

James Douglas [25616] -----------
2nd lord Dalkeith
d.1456
 
Elizabeth Gifford [25618] -------
of Sheriffhall

|-- James Douglas [25615]
|   1st earl of Morton
|   d.1492
|   
|   
    

Sir James Douglas [25617] -------
1st lord Dalkeith
d.1441
 
Elizabeth Stewart [7150] --------
m.1387
wife of Sir James Douglas,
 1st lord Dalkeith

|-- James Douglas [25616]
|   2nd lord Dalkeith
|   d.1456
|   
|