However at the 1790 election , the Balfours and Honymans combined to oust Col Thomas , electing John Balfour by 19 votes to Dundas 's 13 .
Sir Thomas 's cousin Colonel Thomas Dundas had won the Orkney and Shetland seat in 1784 .
At the 1790 election , the Balfours and Honymans combined to oust Sir   , electing John Balfour by 19 votes to Dundas 's 13 .
Sir Thomas 's cousin Colonel Thomas Dundas had won the Orkney and Shetland seat in 1784 .