Early of Rosslyn Henry de Sinclair
Henry was born in 1192 in Rosslyn Castle, Rosslyn, Midlothian, Scotland.¹   He died at the age of 22 in 1214 in Rosslyn Castle, Rosslyn, Midlothian, Scotland.¹ 

 Katherine de Strathearn
Katherine was born in 1170 in Strathearton, Scotland.^2 3 

 John Sinclair
John was born in 1204 in Dunnotter, Kincardine, Scotland.⁴ 

 Katherine Sinclair
Katherine was born in 1218 in Rosslyn Castle, Rosslyn, Midlothian, Scotland.⁵ 

 Henry Saint Clair
He died in 1270 in Dunnyglass, Scotland.⁶