Henry Sinclair
Henry was born about 1192 in Rosslyn Castle, Roslin, Midlothian, Scotland.  He died before 1214 in Rosslyn Castle, Roslin, Midlothian, Scotland.

 Katherine of Strathearn
Katherine of was born about 1197 in Strahearn, Perthshire, Scotland.

 Henry William Sinclair
Henry William was born about 1200 in Scotland.  He died in 1270 in Rosslyn Castle, Roslin, Midlothian, Scotland.