Complex sentence: Having most likely supported William Wallace and certainly Robert the Bruce, in 1374 the great King's grandson Robert II granted William Huntar (10th Laird) a charter for the lands of Ardneil "for faithful services rendered".
Split into simpler sentences: Having most likely supported William Wallace and certainly Robert the Bruce. In 1374 the great King's grandson Robert II granted William Huntar (10th Laird) a charter for the lands of Ardneil "for faithful services rendered".