sentences:  According to historian Robert Mackay, Sinclair, Earl of Caithness sent his men under the command of Henry Sinclair to attack the Gunns.Henry Sinclair being the uncle of the brothers Hugh Mackay (of Strathnaver) and William Mackay (of Bighouse).The Gunns who were informed of these proceedings, gathered their men and were joined by a strong body of men from Mackay's country under William Mackay.