Family: William St Clair Of Hermaston / Lady de Mar Margaret Gartney De St Clair (F746)
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Male
William St Clair Of Hermaston
Birth 1297 East Lothian, Scotland 
Death 1330 Spain Burial Marriage Father Baron of Roslin Henry Sinclair, II | F578 Group Sheet Mother Alice Fenton | F578 Group Sheet
Female
Lady de Mar Margaret Gartney De St Clair
Birth 1300 Dumfries-shire, Scotland Death Yes, date unknown Burial Father Mother
Male
+ John Saint Clair
Birth 1323 East Lothian, Scotland Death 1377 Midlothian, Scotland Burial Spouse Margaret Sinclair | F23432 Marriage Abt 3 Jun 1353 Scotland