Family Group SheetHUSBAND | Sir Thomas "of Cowthally" Somerville (L5TR-DQ5) | BIRTH | about 1370 | Cambusnethan, Lanarkshire, Scotland | DEATH | 1444 | Cowthally Castle, Carnwath, Lanarkshire, Scotland | DEATH | December 1444 | Cowthally Castle, Carnwath, Lanarkshire, Scotland | REF # | | 1221624; | REF # | | | REF # | | 60; | REF # | | 1244483; | MARRIAGE | 1390 | | MARRIAGE | | | MARRIAGE | | Lady Elizabeth Keith (9FMX-F9P); | FATHER | William Somerville (L89H-F4F) | MOTHER | Margaret Edmonston (L6HF-T8H) | | WIFE | Janet Stewart (9HXV-P6B) | BIRTH | 1372 | Darnley, Renfrewshire, Scotland | DEATH | 1407 | Lanarkshire, Scotland | REF # | | 1222689; | REF # | | | REF # | | 60; | REF # | | 1245548; | FATHER | Sir Alexander Stewart (9CCY-2NC) | MOTHER | Marguerite Turnbull (LB15-X24) |
| CHILDREN | 1. | Sir William Somerville (LB9W-98C) MALE | | BIRTH | 1388 | Cowthally Castle, Carnwath, Lanarkshire, Scotland | DEATH | 20 August 1456 | Cowthally Castle, Carnwath, Lanarkshire, Scotland | REF # | | 1682756; | REF # | | | REF # | | 60; | REF # | | 1709036; | MARRIAGE | | Janet Mowat (9HXV-P6B); |
| 2. | Margaret Somerville FEMALE | | BIRTH | about 1388 | Newbigging, , Lanarkshire, Scotland | REF # | | 1220895; | REF # | | 1243754; | REF # | | 60; |
| 3. | Margaret Somerville (LDF6-T2J) FEMALE | | BIRTH | 1410 | Carnwath, Lanarkshire, Scotland, | DEATH | about 1481 | | REF # | | 5196200; | REF # | | 5333621; | REF # | | 60; |
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