Family: Sir William (Laird of Rosslyn) Sinclair / Isabella (of Orkney) of Strathearn (F41301)
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Male
Sir William (Laird of Rosslyn) Sinclair
Birth Abt 1327 Death Abt 1358 Lithuania With The Teutonic Knights 
Burial Marriage Father Sir William Sinclair | F47190 Group Sheet Mother Rosabelle | F47190 Group Sheet
Female
Isabella (of Orkney) of Strathearn
Birth Death Yes, date unknown Burial Father Malise (Earl of Orkney) 8Th Earl of Strathearn | F41298 Group Sheet Mother Marjory of Ross | F41298 Group Sheet
Female
Margaret St Clair
Birth Death Yes, date unknown Burial Spouse Thomas (2nd Earl of Angus) Stewart | F44182 Marriage
Male
Henry (1st Earl of Orkney) Sinclair
Birth Abt 1340 Death 1404 Battle Of Orkney Burial Spouse Jean (of Dirleton Castle) Halyburton | F45709 Marriage Spouse Florentia of Denmark | F48206 Marriage