He had , however , broken the old family alliance with the Mures .
A feud continued for several years , till , on 14 September 1589 , Lord Boyd paid John Mure of Rowallan 350 marks for the slaughter of his father .
He had , however , broken the old family alliance with the Mures , and a feud continued for several years , till , on 14 September 1589 , Lord Boyd paid John Mure of Rowallan 350 marks for the slaughter of his father .