George Sinclair, 1st of Barrock (died 1724) (1634–1724) Parents Jean Cunningham Alexander Sinclair of Latheron Children David Sinclair Katherine Sinclair Margaret Sinclair Anne Sinclair William Sinclair Janet Sinclair George Sinclair Alexander Sinclair of Swinzie Jean Sinclair Robert Sinclair John Sinclair, 2nd of Barrock Elizabeth Sinclair Benjamin Sinclair James Sinclair Siblings Margaret Sinclair John Sinclair of Brabster Sir William Sinclair of Dunbeath Anne Sinclair Partners Elizabeth Murray Anne Dunbar Elizabeth Cumming