Family: Thomas Boyd, 5th Baron of Kilmarnock / Isabell Lyle, Boyd Of Kilmarnock (F9383)
m. 1424
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Male
Thomas Boyd, 5th Baron of Kilmarnock
Birth 1405 Refrewshire, Scotland 
Death 9 Jul 1439 Refrewshire, Scotland Burial Aryshire, Scotland Marriage 1424 Aryshire, Scotland Father Thomas Boyd, Feudal Baron of Kilmarnock | F21600 Group Sheet Mother Joanna Montgomery | F21600 Group Sheet
Female
Isabell Lyle, Boyd Of Kilmarnock
Birth 1 Jan 1395 Aryshire, Scotland Death 9 Jul 1439 Refrewshire, Scotland Burial 18 Jul 1439 Aryshire, Scotland Father Andrew Lyle | F3559 Group Sheet Mother Catherine Boyd | F3559 Group Sheet
Male
+ William Boyd
Birth Abt 1420 Aryshire, Scotland Death 1 Apr 1460 Nothumberland, England Burial Aft 1 Apr 1460 Aryshire, Scotland
Female
+ Janet Marion Boyd, Lady
Birth 1422 Aryshire, Scotland Death 1491 Lanarkshire, Scotland Burial 1491 Inverclyde, Scotland Spouse John Maxwell of Calderwood | F11375 Marriage 20 Jul 1454 Aryshire, Scotland