Thomas (unknown) 
Duncan
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| Thomas (unknown) |
| Duncan
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Thomas Dicson, 1st Laird of Symington
1247, Scotland - March 19, 1305, Douglas, South Lanarkshire Scotland
(unknown)
?? - ??
Married: ?? - ??
Duncan Dicson, barony of Symington
abt 1275, South Lanarkshire Scotland - ??
(Others Unknown)
?? - ??