William Sinclair
William was born about 1230 in Rosslyn Castle, Roslin, Midlothian, Scotland.  He died in 1297 in Tower of London, London, England.

 Amicia Sinclair
Amicia was born about 1237 in Rosslyn Castle, Roslin, Midlothian, Scotland.

 Henry Sinclair
Henry was born about 1255 in Rosslyn Castle, Roslin, Midlothian, Scotland.  He died before 1336 in Rosslyn Castle, Roslin, Midlothian, Scotland.