https://en.wikipedia.org/wiki/Lachlan_Cattanach_Maclean,_11th_Chief

Maclean is said to have had at least six wives or mistresses. To cement his alliance, with the Argylls he married Katherine Campbell, daughter of Archibald Campbell, 2nd Earl of Argyll.[3] Although politically convenient, the marriage was not a success, as she tried to poison him and he arranged to have her drowned by placing her on a rock in the sound of Mull. She was rescued just before the high tide drowned her.

His children include:

Eachann Mor Maclean, his heir and successor Ailean Maclean, second son of Lachlan Catanach, but better known as Ailean nan Sop, or Allan o' the Wisp, because he set fire to buildings with straw, was a very noted character. Many legends have been told concerning him, some of which can not be true, although they may contain a grain of truth.[1]